Only eukaryotes have a nucleus...all the other answers are true for both euks and proks...remember that only eukaryotes have internal membranes.
How far down it is. Newer rock is on top, older rock is on the bottom
Answer:
Hydras live in fresh water environments, while sea anemones live in MARINE environments! Hydra, although primarily sessile (sedentary), may move up to several inches in a day.
An organ or group of specialized cells in the body that produces and secretes a specific substance, such as a hormone
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<h3>1. Hepatitis B </h3><h3>2. Levels of circulating antibodies against a certain antigen.</h3>
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Explanation:</h2>
<h3>Hope its help</h3>