Answer:
An organism with high fitness has adaptations that are well suited to their environment allowing them survive and reproduce. An organism with low fitness has characteristics that are not well suited to their environment meaning they almost certainly die without reproducing.
Explanation:
D) dilating sureface blood vessels
When you're out in cold weather, your skin triggers shivering so the blood vessels will contract and keep you as warm as possible. But if there's a heat wave, you'll sweat to increase the blood flow to the capillaries, which in turn increases sweating. This process cools you off as the water evaporates from your skin.
Hi there, jaceye!
The answer, I think, would be Euglena. Euglena is famous for being a moving protist that contains chloroplasts and is also a heterotroph. Because of this, Euglena can physically eat or synthesize food from the sun.
Does this help?
PS. Brainliest would be appreciated
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