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Lubov Fominskaja [6]
3 years ago
12

A marine biologist exploring a deep sea trench locate a new species of soft-bodied creature with an unfamiliar shape he is able

to determine that the creature was a mollusk because it has?
A.bilateral cemetery
B.body segmentation
C.an internal shell
D.an internal skeleton
Biology
1 answer:
Rudiy273 years ago
5 0

Answer:

It is B!!!

Explanation:

The whole quiz - because i got i believe 2 wrong cause of wrong people :/

1. C

2. D

3. B

4. C

5. C

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If a cell is placed in an isotonic medium, there will be no net movement of water. True or false?.
ASHA 777 [7]

It is true.

<h3>What is isotonic medium?</h3>
  • A solution that has the same amount of salt as cells and blood. In hospitalized patients, isotonic solutions are routinely utilized as intravenous fluids.
  • When a cell is immersed in an isotonic solution, there is no net movement of water into or out of the cell, and the volume of the cell remains constant.
  • Isotonic solutions include 0.9% normal saline and lactated ringers. A hypertonic solution is one that has a greater solute concentration than the solution across the semi-permeable barrier.
  • The isotonic solution allows the cells to move water and nutrients in and out of the cells. This is necessary for the blood cells to perform their function of supplying oxygen and other nutrients to other parts of the body.

To learn more about isotonic solutions from the given link

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KatRina [158]
Dolphins sleep with one eye open
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The dominant allele is D and causes dimples and the recessive allele is d and causes no dimples. How would a geneticist describe
SSSSS [86.1K]

A geneticist describes the phenotype of an individual with the alleles dd as homo-zygous recessive. In heterozygous individuals, it is masked by the dominant allele.

<h3>Dominant and recessive alleles</h3>

In diploid organisms, an individual receives two gene forms or 'alleles' for the same gene locus.

An individual is heterozygous when receives two different alleles for the same gene locus, whereas an individual is homo-zygous when receives the same alleles for a gene locus.

In cases of complete dominance, the dominant allele completely masks the recessive allele in heterozygous individuals.

Learn more about recessive alleles here:

brainly.com/question/844145

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What does carbon dioxide do in the environment?
nadya68 [22]

Answer:

Extra carbon dioxide in the atmosphere increases the greenhouse effect. More thermal energy is trapped by the atmosphere, causing the planet to become warmer than it would be naturally Explanation: yeah

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I think it's true...

Explanation:

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