<span>The types of skeleton depend on where they are located. Earthworms have hydroskeleton because their rigid bodies are based on water pressure so it's hydro then. Endo is found in animals like birds and also humans who have it inside. Exo is found in spiders because they are bugs and bugs have their skeletons like a shell that covers them.</span>
Answer:
may i know which subject does this question belong to.
Explanation:
The recessive trait in the F1 plants appears in a ratio of 3:1.
I honestly think it would be A.
