Crabs, corals, anemones, sea stars, and many other creatures :)
<span> a characteristic of acids is that they react with metals to release hydrogen gas.</span>
Which of the following are parts of the cardiovascular system?
a) Blood
b) Heart
d) Blood vessels
Choose: a); b); d)
Answer: Energy is passed up a food chain or web from lower to higher trophic levels. This loss of energy explains why there are rarely more than four trophic levels in a food chain or web. Sometimes there may be a fifth trophic level, but usually there's not enough energy left to support any additional levels.
Explanation: :) Hope it helps
The correct answer for the question that is being presented above is this one: "(3) nucleus and ribosome." The two cell structured work together in the process of protein synthesis are the nucleus and ribosome.
Here are the following choices:
(1) nucleus and chloroplast
(2) ribosome and vacuole
(3) nucleus and ribosome
(4) mitochondrion and cell membrane
