The inner layer of a mollusk’s shell is the:
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The process of echinoderm larvae transitioning to adults is…
The process of echinoderm larvae transitioning to adults is called:
The skeleton of an echinoderm is composed of individual plat…
The skeleton of an echinoderm is composed of individual plates called:
Starfish have _____ symmetry usually in _____ parts.
Starfish have _____ symmetry usually in _____ parts.
Humans have 3 sets of teeth.
Humans have 3 sets of teeth.
Which of the following is NOT a buoyancy regulator for shark…
Which of the following is NOT a buoyancy regulator for sharks?
A spiral valve increases the _____ of a shark’s intestine.
A spiral valve increases the _____ of a shark’s intestine.
Match the correct Mammalian Order with the corresponding org…
Match the correct Mammalian Order with the corresponding organism.
A horseshoe crab would be found in which of the following cl…
A horseshoe crab would be found in which of the following classes?
Thoracic breathing is not a terrestrial adaptation for repti…
Thoracic breathing is not a terrestrial adaptation for reptiles.