Salutations!
A group of cells working together are called tissues. Organisms are made up of this structure. Cells are the smallest unit of life. A group of tissues working together is called organ. A group of organs working together is called organ system. An organ system working together makes up an organism.
Hope I helped (:
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The answer is C the main function of the kidneys is <span>filtering wastes from the blood</span>
An example of a parallel choice on a dichotomous key is happy or sad and old or young. Either one of those answers.
The answer to this question would be letter C because a dependent variable depends on the project. For instance, If there is a scientist trying to see which plant will grow the fastest just using water. The plant depends on the water. hope this helps!
<span>The study of the interactions between living things and their environment is called ecology.</span>
