Answer:
Mitochondria
Explanation:
<em>The mitochondrion is a relatively small, double membrane organelle that primarily serves as the site of oxidative phosphorylation; a process that generates energy in the form of ATP for the running of cell's activities.</em>
Hence, a cell that requires a lot of energy might need a large number of mitochondria in order to meet the energy demand of the cell.
The answer is mitochondria.
Answer:
I'm not sure about 13 and 19.
13. Traits?
14. Hagfish
15. No, it doesn't have jaws.
16. Mammary glands.
17. Jaws and lungs.
18. Lizard, bird, cow, lion.
19. The bird?
20. Claws/nails, lungs, and jaws.
Also, this is a cladogram, in case you needed the info. :)
Explanation:
Humus gives the soil the ability to absorb and retain moisture. Such soils do not dry out and require significantly less irrigation. Humus provides a reservoir for the plant nutrients available in the soil for balanced plant growth.