What occurs when oxygen in the lungs passes through the capillary wall to the blood, and carbon dioxide and water from the blood pass into the lungs a. respiratory system b. gas exchange c. breathing

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis