In the f1 generation of a mendelian cross,
a. only the dominant trait is visible.
b. only the recessive trait is visible.
c. neither the dominant nor recessive trait is visible.
d. both the dominant and recessive traits are visible.

Wich organism obtains its energy from dead or decaying matter

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.