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NISA [10]
2 years ago
10

The presence of what type of metal in the Cretaceous/Tertiary boundary may be evidence of an asteroid strike or volcanic activit

y? Why?
Biology
1 answer:
Serjik [45]2 years ago
8 0

Answer:

asteriod strike is most likely to be the one

Explanation:

A volcanic activity would have that stuff

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Shell color in clams is thought to be controlled by three different genes (each with two alleles). Shell coloration runs a range
sergejj [24]

The correct answer is A. Quantitative traits

Explanation:

In genetics, quantitative traits refer to traits or phenotypes (observable traits) that depend on many factors including multiple genes and actions in the environment. These traits differ from other traits because the traits tend to be more diverse in a population. In the case presented, the shell color in clams is an example of a quantitative trait because this phenotype is the result of three different each and each gene contains two alleles which means the color depends on many factors. Additionally, as most quantitative traits there is a higher variation in the phenotype considering clams can have different hues.

5 0
3 years ago
Why are the products of the light reaction of photosynthesis important?
Readme [11.4K]
It is important because they are used to produce sugar during the dark reaction




3 0
3 years ago
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What dose the term equine mean
Nookie1986 [14]

Answer:

Equine is a horse or a member of the horse family ; relating to a horse

5 0
2 years ago
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Choose all the answers that apply. Extrusive igneous rocks _____. form on the surface form below the Earth's crust cool quickly
Anastaziya [24]
1. form on the surface    2. form below the Earth's crust    3. cool quickly    4. cool slowly    5. have large mineral crystals    <span>6. have small mineral crystals

those are your choices right? if so then...

1, 3, 5 are your answers
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5 0
3 years ago
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The osmolarity of physiological saline solution is 0.30 osmol/L.Assuming that the cell membrane is not permeable to its ions, is
Andrew [12]

Answer:

This question have two parts.

Question 1. Is a 0.185 M aqueous solution of sodium sulfate, Na2SO4, hypertonic, hypotonic or isotonic to red blood cells?

Answer:

Hypotonic because sodium sulfate is a detergent which can cross the lipid bi-layer.

Question 2. If normal red blood cells were suspended in this Na2SO4 solution, what would be the expected outcome?

Answer:

Hemolysis (Bursting of Red blood cells) will occur due to excessive movement of water inside the cell resulting from sodium sulfate solution.

if you are interested to know more according to scientist read this research paper.

Ann N Y Acad Sci. 2005 Jun;1048:451-2.

4 0
3 years ago
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