Scientists are trying to find a way to turn off the genes that cause genetic disease. this would be a type of (2 points) a. genetic engineering b. dna manipulation c. gene changing d. artificial selection

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.

Can someone i have no idea of how to do this.

Why were the results whit just water so much different than the trials with the detergent ?