Biology, 25.01.2021 20:40 eddiewoods1935

All blank have moveable spines that they use for protection. sea urchins
sea cucumbers
sea stars
brittle stars

Answers: 3

Show answers

Other questions on the subject: Biology

Biology, 22.06.2019 06:20, justinb0829

Select the correct answer from each drop-down menu proteins are

Answers: 1

continue

Biology, 22.06.2019 07:00, Bengynease2598

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Answers: 3

continue

Biology, 22.06.2019 12:00, gtemple22pdzs4j

What organs comprise the respiratory system of a bird

Answers: 1

continue

Biology, 22.06.2019 16:30, leverso

Which of the following may one conclude from a map that shows the average ph value of rainfall in the u. s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u. s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u. s.

Answers: 1

continue

You know the right answer?

All blank have moveable spines that they use for protection. sea urchins
sea cucumbers
...