how does turtle give birth.
PLZZZZZ HELPPP!!!
All living organisms, including bacteria, plants, humans and other animals, are made up of one or more cells. Explain why all living organisms need to have DNA. Include the words genes and proteins in your explanation.
A construction worker drops a tool from a bridge and it hits the water 3.6 seconds later. How far did it fall?
In eukaryotes, the process of the cell division is called mitosis, true or false ?
The given statement "In eukaryotes, the process of the cell division is called mitosis" is true. Because, mitosis is a type of cell division.
What is mitosis?Mitosis is a type of cell division in which the chromosomes divide evenly into two identical groups. Mitosis is the method by which most cells divide in the body, including somatic (non-sex) cells and some cancerous cells.
Mitosis is responsible for cell growth and development, tissue repair, and asexual reproduction in organisms that do not reproduce sexually. Eukaryotic cells divide into two identical daughter cells through a cell division method known as mitosis.
The cell's nucleus divides during mitosis, which is followed by the division of the rest of the cell. Cell division is necessary for development, growth, and repair in multicellular organisms, as well as asexual reproduction in some single-celled organisms, which make exact clones of themselves by dividing.
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Suppose the number of organisms in one population in a community suddenly increases. Predict what might happen, and explain why.
A scientist has discovered a new gene in oysters. Oysters with the dominant allele for disease resistance 'R' have been found to tolerate polluted waters better than oysters with the recessive 'r' allele. What term is used to describe an oyster that has two identical dominant alleles (RR) for this gene?
A) genetic hybrid
B) homozygous dominant
C) heterozygous dominant
D) heterozyous recessive
the answer is B I believe
The right answer is B) homozygous dominant
We speak of homo / heterozygosity about a locus, that can be represented by several alleles (version). The alleles are dominant or recessive between them.
*So homozygote: same alleles
*heterozygote: different alleles
Consider a locus and 2 alleles:
allele R: dominant
allele r: recessively
*heterozygote: R / r
*homozygous recessive: r / r
*homozygous dominant: R / R
Question 2(Multiple Choice Worth 2 points) (02.04 MC)El Niño events are characterized by warmer than normal ocean temperatures near the equator in the Pacific Ocean. Which weather events are most likely to occur as a result?
a. Increased rainfall across the eastern Pacific Ocean
b. Decreased flooding across the eastern Pacific Ocean
c. Drought along the South American Pacific coastline
d. Colder winter along the South American Pacific coastline
El Niño events are characterized by warmer than normal ocean temperatures near the equator in the Pacific Ocean. The most likely weather event to occur as a result is increased rainfall across the eastern Pacific Ocean.
Explanation:El Niño events are characterized by warmer than normal ocean temperatures near the equator in the Pacific Ocean. As a result, the most likely weather event to occur is increased rainfall across the eastern Pacific Ocean. This is because the warmer ocean temperatures can lead to changes in atmospheric circulation patterns, which in turn can cause more precipitation in certain areas. The other options, decreased flooding across the eastern Pacific Ocean, drought along the South American Pacific coastline, and colder winter along the South American Pacific coastline, are not typically associated with El Niño events.
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which of these components of a cell functions like the digestive system in the human body,endoplasmic reticulum,golgi apparatus, mitchondria, plasma membrane
Proteins and nucleic acids both play vital roles in the structure and function of cells.
Part A: Describe the monomers that make up both macromolecules, in detail. (2 points)
Part B: Compare and contrast the functions of both proteins and nucleic acids in the cell. (2 points)
PLEASE HELP ME
When a material changes size as a temperature changes, it is called _____
Final answer:
Thermal expansion is the term used to describe the change in size of a material due to temperature changes. It happens because of the increase or decrease in the kinetic energy of particles within the material. As temperature rises, substances expand in length, area, and volume, while they contract when cooled.
Explanation:
When a material changes size as a temperature changes, it is called thermal expansion. Thermal expansion is the increase, or decrease, of the size (length, area, or volume) of a body due to a change in temperature. For most substances, an increase in temperature usually results in an expansion, while a decrease in temperature can cause a contraction. This property is significant because it affects various applications and structural designs, such as bridges and railroads which have expansion joints allowing them to freely expand and contract with temperature changes.
The fundamental cause of thermal expansion is the increase in the kinetic energy of the atoms or molecules within a substance as the temperature rises. As materials are heated, they tend to expand in all dimensions; their lengths, areas, and volumes increase. This is true for solids, liquids, and gases, with gases experiencing the largest expansion relative to their size. Similarly, when the temperature drops, substances generally contract as the kinetic energy of their particles decreases.
the periodic table organizes elements by
A increasing atomic mass
B increasing atomic number
C decreasing atomic size
D different atomic color
Answer: B increasing atomic number
Explanation: A periodic table is the table that shows the arrangement of elements in the order of increasing atomic number. In the periodic table, the horizontal rows of elements are called periods while the vertical columns are called groups. All the elements in a given period have the same number of electron shell while all the elements in the same group have the same number of valence electrons (same number of electrons in the outermost shell of their atoms).
what are the differences between a prokaryotic and Eukaryotic? and what are their functions?
Please Help I'll give brainliest!!!!!!!!!!
How do Global Positioning Systems use elevation points on Earth's system to find latitude and longitude?
Homogeneous mixtures can only be chemically separated into their individual components.
True
False
the answer to the question is false
False. Homogeneous mixture cannot be separated by physical method of separation like fractional distillation.There is no means to separate homogeneous mixture chemically.A mixture is a physically combined substance that cannot be separated by chemical means.The compounds that are combination of one type of atom or molecule can only be separated chemically. For example in a sugar solution there is no means we can separate sugar and water chemically.
witch statement is one of the three parts of a cell theory? A-all cells come from other cells B-cells come from crystals C-cells assemble themselves from whatever is around D-plant and animal cells are exaclty the same
A/An _______ is characteristic of children at age five.
A. choice of same-sex playmates B. understanding of the ramifications of one's actions C. desire to play with children of different ages D. awkwardness with emerging motor skills
Chemical compounds are the source of energy for the primary producers called________________.
(There are two correct answers.)
a. consumers
b. photoautotrophs
c. chemoautotrophs
d. decomposers
Please help!
Photoautotrophs and chemoautotrophs, the primary producers, use light and chemical compounds respectively for energy. They play a crucial role in converting inorganic matter into organic, providing accessible energy to other organisms.
Explanation:The sources of energy for the primary producers known as photoautotrophs and chemoautotrophs are light and chemical compounds, respectively. Examples of photoautotrophs include plants and algae, which convert sunlight into chemical energy. Conversely, chemoautotrophs, such as certain bacteria, can use inorganic molecules as a source of energy. These forms of autotrophs are fundamentally responsible for converting inorganic matter into organic matter, making energy accessible for other organisms in an ecosystem.
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Sounds in the external ear depends on vibration of movable bones.
Please select the best answer from the choices provided
T
F
Sounds in the external ear depends on vibration of movable bones. The given statement is false.
What is movable bone and its function in hearing?Movable bone is present in the ear and the middle part of ear depends upon movable bones to hear the vibration of the sound. Since we know that bone has been known as connective tissue which has metabolically active and the main function of the bone has to provide the mechanical and structural support as well as perform movement, and to protect important organs of the body.
The bone has made up of the bone cells known as osteocytes and extracellular matrix. The total number of bone human body contain has 206 bones including the bones of spine, legs, arms, ribs, and skull. Bones are made up of calcium as well as carbonate and they have bone marrow in which blood cells are produced. By nature bones came in category of living and they are active tissue .
Therefore, Sounds in the external ear depends on vibration of movable bones. The given statement is false.
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A reasonable speed for a snail is _____.
A. 2 mm/s
B. 2 m/s
C. 2 km/min
D. 2 km/hr
A, the others are unrealistic speeds.
The chromosomes in the nucleus of a cell contain a code that stores hereditary material known as?
Carrier is a person who has which of the following?
A. One recessive and one dominant trait
B. Two recessive alleles for a trait
C. Two dominant alleles for a trait
D. More than two alleles for a trait
Plz hurry I need two turn this in tonight
Looking at the chart above, the students need to develop a classification scheme to distinguish plant and animal cells. The presence of which of the following structures/organelles would be most useful for this purpose?
Answer: the answer for studyisland is cell wall
Explanation:
Describe a plant’s circulatory system.
*There are no answer choices*
*I would appreciate it if you used accurate information, complete sentences, and make sure it makes sense*
Answer:
Explanation:
Water and dissolved minerals enter a plant's roots from the soil by means of diffusion and osmosis. These substances then travel upward in the plant in xylem vessels. The transpiration theory ascribes this ascending flow to a pull from above, caused by transpiration, the evaporation of water from leaves. The long water column stays intact due to the strong cohesion between water molecules. Carbohydrates, produced in leaves by photosynthesis, travel downward in plants in specialized tissue, phloem. This involves active transport of sugars into phloem cells and water pressure to force substances from cell to cell.
Are all the cells in the your body identical?
cells are the basic __________of our bodies.
What makes speed a compound unit is that it includes units for _____ and _____.
A. velocity; time
B. distance; time
C. distance; velocity
D. velocity; acceleration
Answer:
the answer is B
Explanation:
Speed is in fact the the distance that something travels in time. Think about it, it makes sense, doesn't it? Speed is the amount of distance something achieves in a set amount of time.
Two students described a part of Earth's middle layer.
Bob: The deepest part
Joe: The semi-fluid part
Which part of the middle layer did Bob and Joe describe?
A. They both described the mesosphere.
B. They both described the asthenosphere.
C. Bob described the mesosphere and Joe described the asthenosphere.
D. Bob described the asthenosphere and Joe described the mesosphere.
Answer:
Hi! The answer would be C! :3
Explanation:
I took the test and got 100% on it so if you need help with any other questions on that test just let me know! <3
What features of development indicate that echinoderms and chordates are more closely related to each other than they are to other animals
The features of development which indicate that echinoderms and chordates are more closely related to each other than they are to other animals are:
Their phyla belongs to the Deuterostomia clade of bilaterian animals.What is a Feature of Development?This refers to the characteristics which are good indicators that a particular species are progressive and can survive extinction and reproduce.
With this in mind, we can see that echinoderms and chordates are closely related because of their phyla which belongs to the deuterostomia clade of bilaterian animals.
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The presence of deuterostome development, characterized by the formation of the anus before the mouth during embryonic development, is a key feature shared by echinoderms and chordates, indicating their closer evolutionary relationship compared to other animal groups.
Animals can develop along either of the two main developmental paths during embryonic development: the protostome or the deuterostome. Deuterostome development is seen in both chordates, which include vertebrates like fish, amphibians, reptiles, birds, and mammals, and echinoderms, which include sea stars, sea urchins, and sea cucumbers. The blastopore, the early gastrula stage's aperture, develops into the anus in deuterostome development, with the mouth forming later. This pattern differs from protostome development, in which the anus forms secondary to the blastopore, which develops into the mouth. The shared deuterostome development between echinoderms and chordates suggests a closer evolutionary relationship between these two groups compared to other animal phyla, such as arthropods (like insects and crustaceans) or mollusks (like snails and clams), which exhibit protostome development. This developmental similarity is considered a strong indicator of shared ancestry and evolutionary relatedness.PLS HELP ASAP!!
In which environment would someone most likely find a living protist?
A on the outer layer of human skin
B inside a layer of rock
D underneath sand
C in a drop of lake water
Ryan wants to see if storing his batteries in the refrigerator will make them last longer. He goes to Target and buys four batteries of the same brand that have the same “Best if used by” date. Ryan keeps two batteries in his desk drawer for 12 months and puts the other two batteries in the refrigerator for 12 months. He then puts the batteries from the desk drawer into his Dad’s antique portable CD player and plays his Lady Gaga CD continuously until the batteries die. Ryan records the length of playing time. Ryan then uses the batteries from the refrigerator. He plays the same CD at the same volume until those batteries die. He then compares the length of playing time.