Answer:
The endocrine system and nervous system work together for the maintenance of the homeostasis of the organisms. Endocrine system release hormones whereas nervous system includes the release of neurotransmitters.
The stress condition in the body generates the fight and flight mechanisms of the body. The hypothalamus releases the hormone known as epinephrine that activates the sympathetic parts of the autonomic nervous system. This generates the different changes like increase in the blood flow, pupil dilation and perspiration to prepare the body for stress situation.
Gel electrophoresis is a technique used to separate DNA fragments according to their size. This is from Khan academy so I believe it is reliable.
The sponge is<span> one of the </span>world's simplest multicellular living organisms. Sponges fit in the definition of animals because they are multicellular and are more closely related to animals with many cell types (Eumetazoa, and Bilateria) than to any protists. Sponges have very interchangeable cells, which means that if you get a bunch of sponge cells and whirl them around in a blender, then put them back in a small container, they will re-form.<span>Sponges differ from plants or fungi because they don't use photosynthesis to create their own food (thus they're not plants) and they filter feed (they are not fungi).</span>
The nucleic acid is DNA. If you change the thymine with uracil, it would have been RNA.
Answer:
The Geosphere
Explanation:
The Geosphere carbon cycle operates at very long, slow time scales of thousands to millions of years.