Below is a graph that shows the eating habits of a goldfish in an aquarium over a 2-day period. Which of the following conclusions is supported by the information on the above graph? A. Fish have a 24-hour circadian rhythm. B. Fish have a 6-hour circadian rhythm. C. Fish do not have internal responses to any natural cycles. D. Fish have a 12-hour circadian rhythm.

Which element provides strength to the exoskeleton of clams and oysters

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

How can you approximate the number of calories required to keep you in energy balance?