Why is clearcutting an especially damaging forestry practice for species that rely upon older trees for their survival?
a.
clearcutting removes all trees in a stand, old and young.
b.
clearcutting specifically removes older trees in a stand.
c.
clearcutting forces younger trees to mature faster.
d.
clearcutting is not a damaging forestry practice.

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

The influenza virus cause the flu, but not other diseases. why?

Why would a drug the damages capsids treat a viral infection