Evolution occurs at which level of biological organization? select one: a. species b. cells c. individuals d. populations

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his 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

Describe the two types of vascular tissue