How can you tell if a cell is a eukaryote?
a. the organells are closed in the membrane
b. it lacks the vacole that stores water
c. it lacks a golgi apparatus for vestical production
d. ribosomes assemble proteins inside the cell

Which of the following statements best describes the relationship between the environment and human health? a. the environment is the only factor that affects human health. b. many aspects of the environment can have an impact on human health. c. human health is impacted by changes in climate. d. the environment has no impact on human health. select the best answer from the choices provided

Name the part of the the brain labeled "e".

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism