What do you know about an organism's parents if it is homozygous for a
certain trait?

a. both parents supplied the same allele.

b. the parents had the same traits.

c. the parents had different traits.

d. the parents supplied different alleles.

The term autotroph refers to an organism that: a. uses co2 for its carbon source. b. must obtain organic compounds for its carbon needs. c. gets energy from sunlight. d. gets energy by oxidizing chemical compounds. e. does not need a carbon source