Kselection and r selection are two different types of which term

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

What is the next step in muscle contraction after the actin changes shape? (apex)

In the practice of science, this type of reasoning is used to develop explanations.