The immediate source of energy that powers a cell activities is

a) adenosine triphospate
b) food
c) adenosine diphospate
d) sugar

List two modern organisms that have pentameral symmetry

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down