Answer:
Predators are animals that hunt and kill other animals for food. Both carnivores and omnivores can be predators. The other classification of carnivores and omnivores is scavengers, which means they feed off of animals that are already dead. Predators include lions, sharks and eagles.
Explanation:
1. cell membranes are partialy permeable, only allowing passage to some certain molecules.
2. diffusion is the movement of molecules across partially permeable membrane down concentration gradient.
3. the molecules are too big to pass through partially permeable membrane. the concentration of the molecule might be higher in the cell than in the solution/surroundings.
Answer: O many celled organisms
Explanation:
Answer:
It is C
Explanation:
I had this on my test last week
Carbon dioxide is not safe for your lungs because once it reaches your lungs it will stop your breathing and you could die.