It is a chemical process which enables heterotrophs to obtain energy without oxygen.
Hey there!
I do believe that your answer will be choice A
Answer:
A option
Explanation:
Guard cells closes their openings to prevent loss of water, hence, slowing down the process of transpiration.
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>
Oort cloud: a spherical region that surrounds the solar system, that extends from the kuiper belt to almost halfway to the nearest star, and that contains billions of comets
Answer:
Let's complete the question by writing the sequence, from earliest to most recent options
a. 2 → 1 → 3 → 4
b. 2 → 4 → 3 → 1
c. 2 → 3 → 1 → 4
d. 2 → 1 → 4 → 3
e. 2 → 4 → 1 → 3
It's surely going to be e.
e. 2 → 4 → 1 → 3
2. Cambrian explosion occurs.
4. Vertebrates become top predators in the seas.
1. Protostomes invade terrestrial environments.
3. Deuterostomes invade terrestrial environments.
Got it!