Answer:
A. community - the fish, frogs, insects, and aquatic plant species that live in a particular lake
B. individual - a groundhog living in your backyard
C. ecosystem - all of the species of plants and animals and the non-living resources in a tropical forest
Explanation:
A community is defined as a group of populations of two or more different species which inhabit the same area at a certain time.
Individual is defined as one type of organism.
Ecosystem includes communities, the environment, the non-living or abiotic conditions and their influence on living organisms.
The ribosomes make the proteins in a cell.
The human body strives to maintain homeostasis, the state of balance between internal and external change.
Answer:
1) B - protein channel
2) D - to assist in the movement of substances across the membrane by facilitated diffusion or active transport
Explanation:
1) B is the answer because the proteins would travel through the protein channel to enter or leave the cell.
2) D is the answer because the channel allows protein molecules to pass through a selectively permeable cell membrane through active transport and facilitated diffusion.
Hope this helps!