Answer:
Depending on the size, some substances are able to pass through cell membranes
Explanation:
Some molecules, such as hydrocarbons and oxygen can cross the membrane. Many large molecules (such as glucose and other sugars) cannot. Water can pass through between the lipids.
Hope that answers your question.
Sometimes the enviornment might change, so the animal has to change with it. It must adapt. That why it can be important
One problem with pesticide application is that if they use spray, it leaves a residue, so if a child or animal were to get in contact with the pesticide and accidentally ingest it, it could injure them.
Answer:
sorry i didn't understand your question
Explanation:
Explanation:
D the substance get downeards
