<span>Echinoderms
(like starfish and sea cucumber) are deuterostomes, unlike most of the other
multicellular animals which are protostomes. Their embryological development is
similar to that of vertebrates (like frog and bird) in that they undergo radial
cleavage and their anus is formed before the mouth.</span>
Answer: pink-purple
Explanation: Biuret solution is used to identify the presence of protein. Biuret reagent is a blue solution that, when it reacts with protein, will change color to pink-purple.
I would say "B', as polar bears don't actually have to get in water at all!
Explanation:
The effect of water stress on biomass accumulation is it effects the export of photoassimilates from leaves in both species
Answer:the one on the left is a old worm
Explanation: the one on the right is a young worm