This is the smallest to largest in the organization of organisms: atom- molecule-cell-tissue-organ-organ system-organism. Tissue is just below organs.
I think that the answer would be 15 since you get half of your genes from each parents.
Answer:
Means to increase drag and prevent sinking is the correct answer.
Explanation:
Plankton avoid sinking by increasing their surface area and decreasing their density. Spines slow down sinking by adding surface area without increasing density. Defense against predation would be to sing below. Not the opposite.
