Lets say the plant that formed nodules is Species A, and the one who didn't is Species B.
If the nitrogen is concentrated in one area but at a low concentration, then Species A may have formed nodules because it is closer to the concentrated nitrogen. Species B didn't because the nitrogen that is active is being taken by Species A.
Answer:
Yes
Bone marrow is the spongy tissue inside bones that produces blood cells. Bone marrow produces red blood cells, platelets, and white blood cells. Lymphocytes are produced in the marrow, and play an important part in the body's immune system.
Explanation:
Please mark me brainliest
Answer:
because when it gets cold, it weakens our immune system and we become more vulnerable to sickness
Answer:
reptiles
Explanation:
the reptiles is my favorite
It is A I think the insect lived first and so it is under because it is under a different layer so if they were around at the same time and the fish was just under water it would be in the same layer of rock but because it is different rock it was not around at the same time