<span>peristalsis is the involuntary, progressive, rhythmic contraction of the muscle in the wall if the esophagus propelling a ball of food down toward the stomach</span>
Answer:
Viruses are often considered non-living because outside of a living cell, they do not exhibit the characteristics of living organisms: they are basically like crystals. But within a living organism, they become activated and are able to carry out life's activities like replication (a form of reproduction).
Answer:
d. Glucose is converted to 2 molecules of pyruvate and 2 ATP molecules are consumed.
Explanation:
energy investment means usage of energy during a process
I think it would be because the lizards were able to adapt from the environment. Environment adaptation.
the correct answer is A- Reproductive isolation occurred through behavioral isolation
A process of formation of a new species from an existing species is called speciation. New species may formed due to geographical or reproductive barriers which isolates the members of a population of a species to form a new species.
In the given question, speciation in In the leopard frogs occurred due to a particular or specific call given by males to the females. The courtship call lead to reproductive isolation due to change in behavior. Such type of behavioral change will help in recognizing mates of the same species and this will act as a reproductive barrier among the other related species.