How does coloration help the earthworm

1 answer:

6 0

I would guess that, considering they live underground (where there is not much light!), that color doesn't affect them much. Perhaps the brownish color helps them blend in if they come to the surface.

You might be interested in

Predict what would happen to muscles if a pesticide that inhibits acetylcholinesterase was present at the motor end plate.

Anarel [89]

If a pesticide that inhibits acetylcholinesterase is present in a muscle, THE MUSCLE WILL BE CONTRACTING REPEATEDLY.
The enzyme, acetylcholinesterase is the one responsible for the termination of muscle contraction, when this enzyme is deactivated, the muscle contraction will not be turned off and the concerned muscle will contracts repeatedly.

6 0

3 years ago

In a hardy-weinberg population with two alleles, a and a, that are in equilibrium, the frequency of allele a is 0.2. what is the

Allushta [10]

The Hardy-Weinberg equation is as follows:
$( {p + q})^{2} = 1$
${p}^{2} +2pq + {q}^{2} = 1$
Where:
(convert all % to decimals)

p= homozygous dominant
q= homozygous recessive
pq= heterozygous

While you did not specify whether the 0.2 frequency was for dominant or recessive, we can still figure out the answer.

Using the 1st equation, we can solve for the other dominant/recessive frequency:

1-0.2=0.8

Meaning that:

p= 0.8 & q=0.2

If the heterozygouz frequency is 2pq, then it becomes a simple "plug & chug" sort of approach.

2(0.8)(0.2)= 2(0.16)= 0.32

So, the heterozygous frequency would be:
0.32

Hope this helps!

8 0

3 years ago

Look at Figure 19–7 p.544. Which of the following explains why the edges of Africa and South America fit together like two piece

Ymorist [56]

This question is incomplete. However, the answer to this question is Continental Drift. Approximately 300 million years ago, there were not separate continents, only one giant super continent that we call Pangaea. Over time, scientists realised that the Earth's outer shell slides over the inner mantle through plate tectonics. Around 200 million years ago, Pangaea began to break up through the process of continental drift. Gondwana, incorporating present-day <span>Africa, South America, Antarctica, India and Australia, split from Laurasia (Eurasia and North America). Approximately 150 million years ago, Gondwana started to break up into the present day continents</span>

4 0

3 years ago

When do a scientific theory change

Pavel [41]

A scientific theory changes when there is more information available about what the theory covers.

6 0

4 years ago

Read 2 more answers

How do scientific theories compare to hypotheses? a Theories are the same as hypotheses. b Theories unify a broad range of obser

Maslowich

Answer:

b. Theories unify a broad range of observations and hypotheses.

Explanation:

In broad terms, theories are the set of principles that can or must be used to explain certain phenomena. It involves the involvement or inclusion of any set of principles to get to a conclusion.

Hypothesis, on the other hand, is just a term used for an assumption made. And this assumption may be made even before any observation has been done, a mere suggestion for how to proceed with things or an assumption about things.

Thus, scientific theories unify a broader range of observations that had been done, including any hypothesis. So, the <u>correct answer is option b</u>.

5 0

3 years ago