What type of transport takes place when a protein allows an ion to enter a
cell, but no additional energy is needed to make this happen?
A. Endocytosis
B. Active
C. Facilitated
D. Osmosis

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

answer: the answer is b

sorry to break it to ya but no one can answer your question it's just

jk but i am serious about the part that most people cant answer it beacuse you did not mention the section you are talking about. but it would if you added some detail and were a bit more specific.