Coccus , bacillus, spirillum, vibrio
Answer:
Fish
Explanation:
Fish are vertebrates and only have a single loop-circulation system.
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Answer:
d) polyps; calcium carbonate
Explanation:
The Acanthaster planci It is a kind of invasive starfish, which destroys corals: it has poisonous spines and feeds on coral polyps at the expense of the reef.
On the other hand, CO2 reacts with water, forming carbonic acid and reducing the available calcium carbonate, an essential element so that marine organisms, from clams to hedgehogs, can form their skeletons and shells.
Answer:
I cant see all of them but the order is largest to smallest are Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
Explanation:
The lower you go in the hierarchy, the more closely related the living things are.
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