What does the evidence suggest as a cause of the max extinction 65 million years ago

A) a great earthquake

B) a great flood

C) a meteor crashed to earth

D) a drastic temperature drop

In the lab when working with acids and bases you should always wear.

One group of primates has a body size dimorphism index of about 1.3. For gorillas, this number is about 1.6. For gibbons, this number is close to 1. What is the MOST likely group composition of the observed group of primates

Which would most likely trigger a climate change that could lead to a mass extinction? 0 A. Volcanic outgassing o B. Earthquakes O C. Formation of a supercontinent O D. Glacier movement

Why is the primary structure fundamental to protein function?

Red fruits (T-) is dominant to tangerine fruits (tt), and smooth leaf (H-) is dominant to hair leaf (hh). Suppose the recombination frequency between these genes is 16%.

Consider the model of the food chain. Imagine there is a herbicide poison spill and all the grass is killed. How will this influence the food chain model? A) The grasshoppers will die out. B) All of the consumers will decrease.

A mutation in a dna strand is least likely to affect the cell when the mutation:

What macromolecule has the function of providing structure and catalyzing reactions (as enzymes) ?

Unfortunately, scientists face a growing problem with an increase in unreliable science and pseudoscience.

She is the northern hemisphere tilted toward the sun?