Which level of organization is formed by a group of the same kind of cells working together? A. ecosystem
B. organism
C. organ
D. tissue

Which of the following is not a main characteristic that scientists focus on when determining which kingdom an organism belongs to

Choose the molecule that is described by each phrase. energy used during long activities:

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.