Claire (a dog) has been eating a lot but hasn't been getting enough nutrients and doesn't have enough energy. The red line is Claire's rate of enzymes creating products, and the yellow line is what a healthy dog's rate should be. Which of the options is what's wrong with Claire?

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

What do transitional fossils best support?