An organism’s characteristics, or traits, are due to genes. Different versions of genes create different traits. What are these different versions of genes called?

Select one:
a. DNA
b. alleles
c. gametes
d. chromosomes

Which type of bacterial reproduction is depicted in the diagram?

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.