<span>The control group is as similar as possible to the experimental group except that it is not exposed to the independent variable. The independent variable is the variable the researchers manipulate to determine its effect on the dependent variable. The dependent variable is not changed. The other group is exposed to the independent variable.</span>
Answer:
I predict that food chains will become weaker due to an absence of an animal
Explanation:
I predict this because, if we were to lose an animal species completely, it would have an impact on the predator/prey situation of a completely different animal.
They can utilize nitrogen from the air and are photosynthetic.
Answer: D
Explanation: THE PRODUCTS FOR cellular respiration are water CO2 AND energy
Answer:
What do fossils provide evidence of?
-Fossils provide evidence of the earliest forms of life.
Which of the terms is used to describe the difference between them?
- Evolution