Phylum is a principal taxonomic category that is ranked below the kingdom and above the class. If two organisms are in the same phylum, this means that they are also in the same kingdom. Each phylum is composed of one or more classes.
I believe the correct answer is a. mutations.
Answer:
D.
Explanation:
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Kelp is a kind of a brown algae (Phaeophyceae). It is a cold-water seaweed also used as food and as a source of iodine. It is considered safer and better than any other chemicals for the body. It develops through sunlight and it gets nutrients and minerals from the water around it.
Answer is: platelet plug
When platelets stick to each other and to the blood
vessel they form a plug in the hole of the vessel. This process is called platelet aggregation.
Before the plug forms, a platelet will stick to the blood vessel (adhesion), change its shape
and signal other platelets to come help (activation and secretion). Then they
stick to each other (aggregation).
