Answer:
The polar bear is an animal which is prevalent in the arctic region of the world which is characterized by very cold icy climate.
They adapt to these climatic conditions by maintaining a body temperature of 37°C through its thick fur and tough skin. It also has an insulating fat layer (adipose tissues) which is very thick.
This insulation helps in keeping the animal very warm in extreme temperatures.
Using the cladogram about fish, the best description of the organism is it has jaws but no bones.
The correct option is (D).
<h3>What is a cladogram?</h3>
Cladograms are diagrams that depict the relationships between different taxonomic groups, or "clades."
Cladograms are made up of species that have similar derived traits.
Cladogram uses lines to make diagrams. And upper line contain the ancestor species.
Thus, option (D) has jaws, but not bones is correct.
Learn more about cladogram, here:
brainly.com/question/10712018
Answer:
application of chemical fertilizers
Explanation:
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The engulfed object is thus enclosed within a membrane-bound vacuole called a phagosome. The phagocyte digests the ingested particle with hydrolytic enzymes, which are contained within membrane-enclosed sacs called lysosomes found within the cell.
<span>Methyl groups
</span>DNA<span> methylation is a process by which </span>methyl groups<span> are added to the </span>DNA<span> molecule. Methylation can change the activity of a </span>DNA<span> segment without changing the sequence.</span>
