Which example of similar structures indicates that the species are related? A. Fins of sharks and penguins
B. Forelimbs of bats and dogs
C. Wings of birds and insects
D. Webbed feet of frogs and ducks

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

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

What do we call an individual that has inherited two identical alleles for the same trait? a. homozygous b. heterozygous c. monozzygous