<span>contractile vacuole
Contractile vacuoles are organelles that are responsible for excretion function. They perform osmoregulation which manages wastes, water and other needed materials in the cell. They are found in some prokaryoric organisms like the algae, protists, amoeba and other unicellular organisms.
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Answer: D
Explanation: Muscles are made of sarcolemma (membrane), sarcoplasm(tissue), and they have multi nuclei inside of them.
The answer is c, because if its temp it involves weather
Answer: Lipids
Explanation: The ratio of saturated and unsaturated fatty acids (lipids) determines the fluidity in the membrane at cold temperature.