Answer:
is a constructed copy of an object that represents that object. It can be larger than the object, smaller, or the same size. They can have moving parts, have water flowing through them, or even be robotic. They are used for experiments, visualization, or for education in museums and so are incredibly useful to scientists and nonscientists alike.
Explanation:
No more than five trophic levels are present in an ecosystem, most have only 4.
Answer:
The correct answer is b
Explanation:
A biogeochemical cycle corresponds to an exchange of different elements such as carbon, nitrogen, water, phosphorus, nitrogen, carbon and other elements, between living beings and the environment (either decomposition or production processes).
Answer:
need more information to answer this question
Explanation:
Answer:
d
Explanation: the genes carry what is needed to change, and the cells change due to what is happening in the genes
