Explain why the structure of pinecones helps ensure successful reproduction in the taiga.

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

What part of the blood closes a wound?