Answer:
(sorry if im incorrect)
D
an organ, a level of organization that is higher than an organelle
Explanation:
So levels of structures goes :
atom, molecule, organelle, cell, tissue, organ, organ system, organism
93AU from the surface of the sun, or the third planet out from the surface of the sun.
Im gonna answer the ones i stufied in grade5 and back soo question 2 a food web question 4 they break down dead and decaying organic material question7 omnivores
Answer:
Explanation:
hepatic portal vein is a blood vessel that carries blood from the gastrointestinal tract and spleen to the liver. This blood are usually rich in nutrient because it contains extraction from digested materials or food substances in the gastrointestinal tract and it is processed in the liver for removal of toxins before the blood returns to the heart.
The 10% rule means that when energy is passed in an ecosystem from one trophic level to the next, only 10% of the energy will be passed on.