Which type of force requires contact between two objects for one to push or pull on the other?
Group of answer choices

The force of gravity acting on raindrops that fall to Earth

The magnetic force pushing two magnets apart

Frictional forces slowing down a rolling soccer ball

The magnetic force pulling a paper clip

Agroup of organisms that changes over time is said to

Question 1 which of the following allows cells to take in fluids? a. phagocytosis b. pinocytosis c. exocytosis d. receptor-mediated endocytosis question 2 molecules move along their concentration gradient (from areas of high concentration to low concentration) using active transport mechanisms. a. true b. false question 3 which of the following powers active transport (ie. provides the energy for)? a. glucose b. transport proteins c. atp d. phospholipids question 4 what type of lipid is a major component of the plasma membrane? a. cholesterol b. phosopholipids c. proteins d. triglycerides

Match each description to the level of organization