B. Had lived only in volcanic regions, and we're destroyed by lava flows.
Hope this helps! : )
<span>a.) To protect and support the cell</span>
<span>The number of offspring each female must produce over her entire life to "replace" herself and her mate, resulting in zero population growth. The actual number is slightly more than 2 because some offspring die before reproducing is survivorship curve.</span>
Hey! <span>Photosynthesis is a process whereby
plants, some bacteria and a few types of algae convert energy from
sunlight into chemical energy and store it as sugar. The internal fuel
that plants use for survival is created by photosynthesis. Plants require carbon dioxide, water and light energy to synthesize sugar.</span>
Answer:
Birth rate, death rate, and fertility rate.