Eating sharks will be of maximum risk.
Option D.
Explanation:Biomagnification is a phenomenon where a toxin which is present in the environment is taken by smaller organisms and the concentration of toxins increase in concentration in higher tropic levels.
Suppose a toxin is present in sea water. It's taken by the small algae along with water which isn't metabolized by the algae, but stored in their body. Now these algae are consumed by small phytoplankton which consume a lot of algae, and the toxin present in their body, which again gets stored due to no metabolism. This even increases into smaller fishes, larger fishes and then into shark which has the maximum toxin concentration. So consumption of sharks will be of maximum health risk.
2. In a certain species of aliens, there are three main skin colors. This is an example of which type of inheritance
This is an example of Codominance inheritance
Explanation:
A correlation among pair of variants of a gene is termed as Codominance. Unit version of a gene is obtained by individual, designated an allele, from all parent. The ruling allele will be revealed,when the alleles are varied. They are screened if they are the outcome of the additional allele, termed recessive.
The appearance of the a allele is not disguised by another allele is the concept of Codominance . When specifying alleles for codominance, the code is to practice a standard character to express dominant and recessive and do superscripts to describe the various codominant alleles.
Answer:
codominance
Explanation:
I took the test
What is a person's perception and expression of individual qualities and group
membership called?
Answer: Identity
Explanation:
Answer: identity
Explanation:
a p e x
how do goblet cells protect gas exchange from pathogens
NEED ASAP WILL MARK BRAINLEST
What does lead exposure cause in children?
diarrhea
cancer
developmental delays
increased appetite
Answer:
Development delays
Explanation:
Cuz it effect the brain the most
Choose three different chains of energy conversions that you use at home or at school to accomplish tasks in your daily activities.
Answer:
There are different energy conversions which we encounter in day to day life. Some of them are:
1) We use chemical energy in the food to convert it into mechanical and kinetic energy which we need for walking to the school.
2) We use chemical energy to be transferred into electrical energy which is converted to light energy in our bulbs so that we can see.
3) We convert electrical energy in the toaster to thermal energy to make breakfast.
Water is a product of cellular respiration. Which term best describes water in
photosynthesis?
O
A. Enzyme
O
B. Waste
O
C. Reactant
O
D. Product
Answer:
reactant
Explanation: water provides hydrogen during photosyn thesis for glucose
Need the Answer ASAP
Sexual reproduction produces genetically different offsprings which do possess variations, hence better chance to survive in the environment.
Option C
Explanation:Sexual reproduction is the process of reproduction where there's a fusion of gametes from a male and female of the same species, resulting in a zygote and eventually an offspring. Sexual reproduction is very advanced type of reproduction which is very expensive for an organism. Much of the energy of the organism is spent to produce gametes and other necessary processes for reproduction.
Gametes of the sexual reproduction is produced mainly by means of meiotic cell division. This involves crossing over and chaismata formation which helps in genetic variations in the offspring. These variations help the species to survive unknown changes in environment, and helps to adapt quickly lessening the chances of extinction. So sexual reproduction has modified various times in different groups of species.
How are the ripples that are moving
through the water in this pond similar to selsmic
waves that travel through Earth? How are they
different
Final answer:
Ripples in a pond and seismic waves both exhibit wave properties such as carrying energy and having transverse and longitudinal properties, but they differ in their mediums and in what they can reveal about the medium's structure. Seismic waves travel through solids and are used to study the Earth's interior, whereas water waves are restricted to the surface. Both types of waves can experience superposition, where they pass through each other without altering their individual properties.
Explanation:
The ripples moving through the water in a pond are similar to seismic waves traveling through the Earth in that both are forms of wave motion that carry energy away from a source through a medium. With water waves, the disturbance is in the surface of the water, while seismic waves involve disturbances in the Earth's crust and mantle. Water waves cause water molecules to move in a clockwise circular motion due to their transverse and longitudinal properties. Seismic waves also exhibit transverse and longitudinal movements but in solids, with different types of seismic waves (P-waves and S-waves) showing different motions.
However, there are important differences too. Seismic waves can travel through the solid Earth and are used to probe its internal structure. In contrast, water waves are primarily confined to the surface of the liquid and reveal less about the water's depth. Furthermore, when it comes to interference, water waves and seismic waves can exhibit superposition, where they pass through each other without being altered. This characteristic is shared with other wave types, including sound and light waves. Lastly, multiple ripples in a pond are formed from a single disturbance due to the interaction of reflected waves coming from the edge of the pond, while seismic waves typically propagate as expanding waves from an earthquake's epicenter with little to reflect from.
How does global warming lead to climate change?
Answer:
global warming leads to climate change as global warming is caused by carbon dioxide trapped in the earth's atmosphere. sunlight can get trapped in the atmosphere as there is a high concentration of CO 2 so the sunlight hits the CO 2 and it bounces back to earth and because the CO 2 is covering the atmospehere it will keep on reflecting and that heats up the air causing water to evaporate and the climate to change
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An organism has three different versions of Gene Tyx – version a, b and c. Determine the inheritance pattern of this trait. Then list below all of the different genotypes that an organism with this gene could have.
Answer:
The inheritance pattern of these traits will be independent. However, it will depend on the factor that which trait is dominant or recessive. It might also show incomplete dominance.
The different genotypes that organisms of this population might have are aa, ab, ac, bb, bc , cc. If neither of the alleles are completely dominant over the other, then incomplete dominance might exist for such genes.
The inheritance unit of hereditary is called a gene. They get passed on from the parent to their generation through reproduction.
The genotypes this group can exhibit are aa, ab, ac, bb, bc, cc.
The heritage of the gene will be in an independent way.The circumstances on which the inheritance will depend will be based on recessive and dominant alleles.It can also show incomplete dominance.If neither of the character alleles is dominant over another then it might show incomplete dominance.To learn more about allele and inheritance follow the link:
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what is the path of H+ions through the thylakoids
Answer and Explanation:
Hydrogen ions in the thylakoid space form an electrochemical gradient because of the difference in the concentration of protons (H+) and the difference in the charge across the membrane that they create. This potential energy is stored as chemical energy in ATP through chemiosmosis. The hydrogen ions are allowed to pass through the thylakoid membrane through an embedded protein complex called ATP synthase. Energy from the electron fuels membrane pumps that actively move hydrogen ions against their concentration gradient from the stroma into the thylakoid space. The photon causes an electron in the chlorophyll to become excited.
How did modern dogs evolve? Who are their ancestors
Answer:
modern dogs evovled from grey wolves to modern dogs
Explanation:
The cell in the diagram below illustrates a stage of mitotic cell division.
Letter B indicates the
1. Paired chromosomes
2. Centrioles
3. Cell plate
4. Endoplasmic reticulum
Letter B in the cell diagram illustrating a stage of mitotic cell division indicates the centrioles.
One of the main functions of the centrioles during cell division in the animal cell is to help in the formation of spindle fibers.
The fibers attach to chromosomes at the centromeres during metaphase and their shortening leads to the pulling apart of sister chromatids. Continuous shortening helps chromatids to complete their migrations to the poles.
Centrioles are vital parts of the centrosomes and are found only in animals, fungi, and some algal cells. In the diagram, the two centrioles can be seen at the two poles of the cell.
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After buying a new house by the lake, the Harrison's decided to cut down the trees and bushes that were blocking
their view. This left an open area with no vegetation between the house and the lake. What type of pollution is
demonstrated in this real world example?
Toxic
Sediment
Nutrignt
Bacterial
Final answer:
The Harrisons' actions of removing vegetation by the lake lead to sediment pollution, which can carry various pollutants into the water and disrupt the ecosystem. Option B
Explanation:
The real-world example of the Harrison's cutting down vegetation and leaving an open area between their house and the lake is an instance of sediment pollution. When vegetation that stabilizes soil is removed, there is an increased risk of erosion. Soil particles, also known as sediments, can be swept into the lake, particularly during rain events. This sediment can cloud the water, reducing sunlight for aquatic plants, and can carry other pollutants such as pesticides and bacteria into the lake. This process disrupts ecosystems and can lead to negative consequences such as turbidity and eutrophication.
PLEASEEE HELPPPP !!!!!
Just put in order pleaseeee
The correct order is 2, 1, 5, 3 and 4.
Explanation:As per Dalton’s theory, atoms were described as the indivisible and indestructible parts of matter which forms any object. But this theory was discarded.
Then came J J Thompson’s Plum Pudding model which described atoms as a mixture of positive and negative charges just like a pudding. But it was also discarded.
Then comes Rutherford's solar system model which described Atoms as mostly empty spaces where the nucleus resembles Sun with positive charge and electrons as planets revolving the sun.
The came Bohr’s theory which described the shells of Rutherford as specific energy levels, not just mere orbits. This led to explain flame colorings of many elements.
Then came Hizenberg's uncertainty principle and Schrodinger’s model of atom which basically described the quantam theory of atoms.
Compare homologous and analogous structures
Answer:
Homologous structures can be described as the structures which are similar to one another present in different organisms. These similarities depict that the organisms might have a common ancestor i the past. For example, the forelimb of man, birds, dogs.
Analogous structures can be described as structures in different organisms which perform the same function but might not have a common origin. For example, the wings of bats and birds.
What is produced by the lymph system?
A.) lysozymes
B.) antigens
C.) white blood cells
D.) bacteria
Answer:
C
Explanation:
Answer:C. White blood cells
Explanation:
The lymphatic system produces white blood cells or lymphocytes that gets rid of toxins in the body. Also it serves where lymphocytes make antibodies to combat pathogens invading the system.
The composition of the sun is best described as-
Final answer:
Hydrogen and helium constitute 98% of the Sun's mass, and the Sun is predominantly a hot ionized gas called plasma, structured in layers such as core, radiative and convective zones, and various atmospheric levels.
Explanation:
The composition of the Sun is best described by its major constituents: hydrogen (about 74% by mass) and helium (about 24% by mass), which together make up 98% of the Sun's mass. The rest is a mixture of heavier elements such as oxygen, silicon, and aluminum. The Sun's structure includes several layers: the core, where nuclear fusion occurs, the radiative zone, the convective zone, and several layers of the solar atmosphere, namely the photosphere, chromosphere, transition region, and corona. Additionally, the Sun is predominantly composed of ionized gas known as plasma, with a consistent bubbling and changing surface, featuring phenomena like sunspots, solar flares, and prominences that can impact Earth.
the shape of the eye is largely determined by the
Answer:
Vitreous
Explanation:
Vitreous is the clear gel that fills the space in the ye and gives it the shape.
The eye is not the perfect sphere, it is made of two parts that are connected. The vitreous is a clear substance that fills in the eyeball. It is made of water. It is like glass.
water plays an important role in the chemical weathering of rock in 3-5 sentences identify and explain two agents of chemical weathering to support that statement
Answer:
Firstly, water can mineralize the chemicals through hydrolysis. This is achieved through the reactive nature of Hydrogen. Upon reaction, the chemically available compound disossciates and mineralizes. Secondly, water can react with CO2 to form carbonic acid which is a weak acid. Although it gets partially ionized, it can dissocilate minerals such as CaCO3 in the rock with the passage of time.
Water plays an important role in the chemical weathering of rocks. Two agents of chemical weathering are hydration, where water molecules combine with minerals in the rock, and dissolution, where water dissolves soluble minerals in the rock.
Explanation:Water is an important agent of chemical weathering in rocks. Two examples of chemical weathering agents are hydration and dissolution.
Hydration: In this process, water molecules combine with minerals in the rock, causing them to expand and become unstable. Over time, the expansion and contraction of these minerals leads to the breakdown of the rock. An example of hydration is the weathering of feldspar, a common mineral in granite, which can transform into clay minerals through hydration.Dissolution: Some minerals are soluble in water, meaning they can be dissolved. When water comes into contact with these minerals, it can dissolve them, leading to the breakdown of the rock. An example of dissolution is the weathering of limestone, which is composed mainly of the mineral calcite. Calcite is easily dissolved by slightly acidic water, resulting in the formation of caves, sinkholes, and other features.Learn more about chemical weathering here:https://brainly.com/question/33904386
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List the inputs and outputs of photosynthesis. What part(s) of the plant are responsible for taking in each of the inputs?
Answer:
List the inputs and outputs of photosynthesis. What part(s) of the plant are responsible for taking in each of the inputs?
6CO2 + 6H2O ------> C6H12O6 + 6O2
inputs outputs
6CO2= Carbondioxide(6 molecules of carbon and 12 molecules of oxygen)
6H2O= Water (12 molecules of hydrogen and 6 molecules of oxygen)
C6H1206= Glucose (6 molecules of carbon, 12 molecules of hydrogen and 6 molecules of oxygen)
6O2= Oxygen (12 molecules of oxygen)
The plant(s) part responsible for photosynthesis is the leaf because it contains the chloroplast that houses the chlorophyl which enable it to tap sunlight for photosynthesis to take place
Explanation:
Photosynthesis is a cellular metabolic process, regulated by enzymes, its inputs and outputs are the following:
Its inputs are: carbon dioxide and water from which organic compounds are synthesized, using the light absorbed by pigments as an energy source.In plants the fixation and reduction of carbon dioxide takes place in the stroma of the chloroplast.The xylem carries water from the roots, spreading through the stem and out of the veins of the leaves.Light energy is absorbed by chlorophylls and carotenoids and is stored at the end of the photosynthetic process as chemical energy.CO2, water and light energy are used to make the outputs: sugar and oxygen.Plants use the sugars produced in photosynthesis as a food source that is energy for the plant.Therefore, we can conclude that photosynthesis captures the light energy of the Sun and uses it to bind CO2 and form sugars.
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How many fingers did T. Rex have?
Answer:
Rex is not a Tyrannosaurus rex because each of his hands has three fingers. Tyrannosaurus had only two fingers on each hand.
Answer:
two fingers on one hand and two on the other
which characteristics are present in both the squid and dolphin but isn't present in a jellyfish
Answer:
complex organ systems, nervous system, while complex organ systems are absent in jellyfish, Both squid and dolphin are triploblastic (having three tissue layers), while jellyfish is diploblastic (having two tissue layers).
Explanation:
Scientific knowledge is both long lasting and always _______.
A:changing
B: non-observable
C:permanent
D:untestable
Answer:
A. changing
Have a magnifecent day!
Scientific knowledge is both long-lasting and always subject to change. This evolution is inherent to the scientific method which emphasizes constant testing, refinement, and modification of ideas based on new evidence or data.
Explanation:The correct option is A: changing. While scientific knowledge can remain unchanged for a long time, it is always subject to change as new evidence or data emerges. Science is a dynamic and evolving field; scientists constantly test theories and hypotheses and refine them as needed. This is a cardinal characteristic of the scientific method: ideas must be testable and, as a result, potentially changeable. Hence, scientific knowledge is both long-lasting and always changing.
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HURRY PLZ
WILL MARK BRAIN BOI
fossilized remains of plants and animals are an example of micro-nutrient
A. sequestration
B. transference
C. erosion
D. deposition
Explain one mechanism that eukaryotic organisms is to regulate genes.
Epigenetic regulation mechanism and Repressors and transcriptional activators allows eukaryotic organisms is to regulate genes.
Explanation:
The gene expression regulation process in eukaryotic cell is complicated than when compared to the gene expression regulation process. In the organisms like multicellular, the regulation of gene expression obtained by the proteins. The regulation of genes in this type of organisms doe not take single level of execution.
Before the transcription stage begins, the DNA access is initially regulated. This process of regulation is termed as epigenetic regulation. There are 20,000 genes that are encoded by the genomes in human beings. These are arranged in such a way that they will be used by the particular type of cells when there is any need.
Which clue would tell if the lac operon is on?
The repressor protein has fallen off the molecule.
Lactose is absent.
RNA polymerase is blocked by the repressor.
The cell membrane changes.
Answer:
RNA polymerase is blocked by the repressor
The lac operon is on when the repressor protein get fallen off the operator.
What is Lac operon?An operon or a group of genes with a single promoter, which encodes genes for the metabolism and transport of lactose in E.coli and other bacteria. In the process, the group of three genes need to be turned on before the bacterium, that is, E.coli can utilize lactose as food.
In the absence of lactose, the lac repressor, that is, the DNA-binding protein combines with the region known as the operator that switches off the lac operon. When binding of lactose takes place with the repressor, it makes the repressor to fall off the operator, hence, turning the operon on.
Thus, when the repressor protein gets fall off the molecule, it shows that the lac operon is turned on.
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What is the role of specialized cells in the body? Choose the correct answer.
Specialized cells perform specific functions for the body, enabling the organism to survive.
Specialized cells create stem cells for differentiation.
Specialized cells, made from stem cells, can change roles to fit the needs of the organism, enabling the organism to survive.
Answer:
Specialized cells perform specific functions for the body, enabling the organism to survive.
Explanation:
Some cells in multicellular organisms are modified to carry out a particular function, such as transporting a certain substance or executing a specific task. These cells are called specialized cells
Specialized cells are designed to carry out a specific function in the body. The specialized cells are found in multicellular organisms.
The role of specialized cells in the body is to perform specific functions for the body, enabling them to survive.
The types of specialized cells performing different functions can be explained as:
Red blood cells are specialized to carry oxygen and transport it to different parts of the body.White blood cells are specialized to kill and eliminate the invading foreign particles and pathogens. Reproductive cells such as ova and sperm are involved in the reproduction and transmission of hereditary information from the parent to the daughter cells.
Thus, the correct answer is Option A.
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How would scientists determine that punctuated equilibrium occurred by examining the fossil record?
Scientists cannot tell if punctuated equilibrium occurred by looking at the
fossil record
Scientists can tell that punctuated equilibrium occurred when they see a
gradual change in organisms in the fossil record
Scientists would have to have the fossils of all organisms in a certain
species to be able to tell if punctuated equilibrium occurred.
Scientists can tell that punctuated equilibrium occurred if they examine
the fossil record and see that one organism rapidly evolved different
characteristics
Answer:
The answer is: Scientists can tell that punctuated equilibrium occurred if they examine the fossil record and see that one organism rapidly evolved different characteristics.
Explanation:
The theory regarding "punctuated equilibrium" followed after Darwin's Theory of Evolution. According to Darwin, species evolved over time. However, evidence supporting it is lacking when it comes to fossil record. He thought that this was because the fossils were incomplete.
Darwin's idea was contradicted by evolutionary scientists, named Stephen Gould and Niles Eldrege. According to them, species change after millions of years (this phase is called "punctuated") and their change is sudden (and not gradual). This sudden change is very rapid, thus causing a fewer number of fossils being left behind. Most species who undergo speciation, occur in a different geographic location, thus leaving only a few number of fossils.
So, this explains the answer.
5. A scientist is writing an article about the classification of various types of bacteria. Which statement is most relevant to the article?
A. Bacteria can be grouped according to the environment in which they live.
B. Bacteria can be grouped according to their method of reproduction.
C. Bacteria can be grouped based on their size.
D. Bacteria can be grouped based on their shape.
6. A diagram of a unicellular microscopic organism is shown below.
It is possible to conclude that the organism is most likely eukaryotic because of it
A. has ribosomes
B. has a cell membrane
C. has a flagellum
D. has a Golgi apparatus
Answer:
5. D. Bacteria can be grouped based on their shape.
6. D. has a Golgi apparatus
Explanation:
5.
Bacterial Classification:
Bacteria are unicellular prokaryotic microorganisms. Classification based on size is the most basic classification of bacteria.Bacteria are classified in 5 groups on the basis of size:Cocci (spherical)Bacilli (rod shaped) Spirilla (spiral shaped)Vibrio (comma shaped) Spirochaetes (corkscrew shaped)6.
Organelles in Eukaryotic and Prokaryotic Organisms:
Eukaryotic organisms are defined by the presence of a nucleus and membrane bound organelles.Prokaryotic organisms do not contain a nucleus or membrane bound organelles.All cells (prokaryotic or eukaryotic) contain a cell membrane, DNA, cytoplasm and ribosomes.Eukaryotic organisms also contain the Golgi complex that is absent in prokaryotes.