Select a biome that you will use in #7 and write that biome on the line. Then, list potential biotic and/or abiotic factors in #3-6. Describe the levels of #7 and 8.

it should be briana that has it to me

c is the correct answer hope this !

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called