Which of the following is a product of photosynthesis?
a. sugar
b. carbon dioxide
c. water
d. light

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting