B is correct the births exceed deaths
Answer: Ectotherms depend on external heat sources. Their body temperature changes with the temperature of the environment. Endotherms generated heat internally to maintain body temperature.
Explanation:
By hydrolysis with an enzyme called hydrolases
Answer:D. convergent evolution
Explanation:
Cacti or cactuses are member of the plant family and are often referred to as spiny plants that are usually found in the desserts.
Evolution - In biology, is described the ascent or descent in the characteristics of a species over a series of generations
and natural selection favors its modification.
When two species populations evolve to become more similar to each other we say say they have a convergence evolution.
Hint: Evolution of analogous structures is always an example of convergent evolution.
So different mass movements occur on slopes under different conditions. The abrupt movement and free fall of loosened blocks of solid rock, known as rockfalls; several types of almost imperceptible downslope movement of surficial soil particles and rock debris.
Hope that helps somewhat :)