Ques: If corals construct an exoskeleton by secreting calcium carbonate, then what constructs an exoskeleton using calcium carbonate? Answer choices: - animals - amoeba - sharks - insects - mammals - Man - coral - bats
Ans: coral

Ques: If the gravitational pull of the Moon on Earth 's oceans causes currents, then what does the gravitational pull of the Moon on Earth 's oceans cause? Answer choices: - kite surfing - erosion - currents - fishing - waves - flooding - rivers - algae bloom
Ans: currents

Ques: If roundworms reproduce by combining an egg and sperm to form larvae, then roundworms reproduce by combining an egg and sperm to form what? Answer choices: - larvae - plants - offspring - Flowers - seeds - infants - kittens - puppies
Ans: larvae

Ques: If most fungi get proteins from dead organisms, then where do most fungi get their protein? Answer choices: - protein synthesis - loose soil - swamp vegetation - alveoli - dead organisms - by indirect light - glycopeptides - carbon dioxide
Ans:
dead organisms