Answer:B. Their DNA molecules have different numbers of strands.
Explanation:that is chromosome that make them to differ in diploid numbers thus differ generally and appear differently
<span>If you locate an animal that has segmentation and cephalization as well as deuterostome embryonic development, the phylum that this animal will belong to is A. chordates.
The remaining options do not have these characteristics that only chordates, such as fish, mammals, amphibians, reptiles, and birds have.
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The answer is vitamin D. This is actually a group of vitamins of similar molecular structure responsible for facilitating increased absorption of calcium, magnesium and phosphate from the gut. The most important of the vitamin D compounds are vitamin D3 and D2. While vitamin D can be obtained from your diet and supplements, the major source of vitamin D is from a chemical reaction dependent on skin exposure to the sun.
It is like a barrier, or wall. It helps infection and bacteria stay out. It can also help you indicate whether you are getting infection in the inside of your body. if you're skin is inflamed, that is a sign of disease or infection.
I hope this helped you!
Brainliest answer is always appreciated!<span />
