When there is too many lets say, lions and not enough zebra to eat then some of the lions will die from lack of food
Answer:
The correct answer is "Charles Lyell".
Explanation:
Charles Lyell was a notorious Scottish geologist that associated events of Earth's history with natural events taking place at the same time. In 1830, Charles Lyell published the book "Principles of Geology", associating the formation of the Earth's crust with different small and vast natural events. Charles Darwin's was largely influenced by Lyell's ideas and he took his book during the famous travel trough the Galapagos islands.
I can’t give you a specific answer because I’m not sure what your lab is. However, an independent variable is the variable that is changed, the dependent variable is the variable that is affected by the change, and the constant variables are those which remain the same throughout the entire experiment.