Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Answer: B C D
Explanation: it’s the food chain, and predators eat prey! In this case the smaller one!!!
Okay My three Consumers I’m going to use are-
•Herbivores
•Carnivores
•Decomposers
Explanation~
For herbivores there living things that eat only plants to get energy so an example of that could be Whales,Elephants, Cows etc
Carnivores are meat eaters soo those would be animals like owls,Tigers,Sharks etc
Decomposers break down dead plant and animal material and examples of those would be Earthworms and Mushrooms
HOPE THIS HELPED!!
Answer:
When a molecule moves down its concentration gradient is it participating in passive transport; moving up the concentration gradient requires energy making it Answer:active transport
