Describe the evidence charles darwin gathered that led to his theory of evolution

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Plants that have reproductive structures called cones are?

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point