Why did the development of vascular systems plants to move out?

a. it allowed them to become sporophytes

b. it made it possible to convert sunlight to glucose

c. it made it possible to move water within the plant structure

d. it allowed gametes to live longer without water supply

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d

Which of the following explains why a tree is often used as a model to represent the principle of common descent