Answer:
A
Photosynthesis is one of the final steps in cellular respiration.
Photosynthesis provides the materials needed for cellular respiration
Explanation:
Answer:
<em>e. speciation</em>
Explanation:
The definition of speciation is: the evolutionary process by which populations evolve to become distinct species.
In this scenario, the bears that were once of the same species evolved in order to adapt to their environment. Once they evolved, they could no longer produce with each other, as they are now different species.
Answer:
Amino acid
Explanation:
The basic building block of a protein is called an amino acid. There are 20 amino acids in the proteins you eat and in the proteins within your body, and they link together to form large protein molecules.
