Coastal waters have about 26% of all biological diversity. This world of seabirds, clams, crabs, starfish, anemones, fish, kelp, and marine mammals, among many others, is a beautiful place with many different types of plants and animal communities.
Answer:
isotopes
Explanation:
Atoms in a chemical element that have different numbers of neutrons than protons and electrons are called isotopes. The atoms in a particular element have an identical number of protons and electrons but can have varying numbers of neutrons.
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I believe that the answer would be B. Ichthyosaurs. Hope this helps :)
Answer:
Guanine
Explanation:
There are <em>four</em> nitrogenous bases in DNA, <em>two purines</em> (adenine and guanine) and <em>two</em> <em>pyrimidines</em> (cytosine and thymine)
Adenine always bonds with thymine, and cytosine <em>always bonds with</em> guanine.
Answer:
Mitosis it's the Anaphase
when the spindle fibres contract, each chromosome splits at the centromere, and its two chromatids are pulled apart towards opposite ends of the cell. Each chromatids is actually a single stranded chromosome, since DNA replication took place