Examine this food web for a particular terrestrial ecosystem. Which species is autotrophic?  

The human impact that scientists determined has caused the most extinctions on record is ________, and beyond further losses from this impact, the other impact with the largest potential to cause future extinctions is ________.

The goal of restoration ecology is to _____.

After looking at the experiment in the figure above, what can be said about productivity in marine ecosystems?

Match each characteristic with the correct animal clade.

To recycle nutrients, an ecosystem must have, at a minimum, _____.

The first step in ecosystem restoration is to _____.

Which of the following does not occur during or as a result of Meiosis I?

Who is considered the Father of Modern Genetics?

How many chromosomes are present in a human cell at the beginning of mitosis?