Answer:
I believe its D
Explanation:
Darwin said that a lot of evolution had to do with natural selection and that seems to be around the same thing.
Answer:
(look at the explanation below)
Explanation:
A condition caused by mutations in one or more genes is called a genetic disorder. In some cases, gene mutations are so severe that they prevent an embryo from surviving until birth. These changes occur in genes that are essential for development, and often disrupt the development of an embryo in its earliest stages.
Answer:
Mechanical barriers — which include the skin , mucous membranes , and fluids such as tears and urine — physically block pathogens from entering the body. Chemical barriers — such as enzymes in sweat , saliva , and semen — kill pathogens on body surfaces.
answer:
A frog is a carnivorous amphibian having a five-stage life cycle, whereas a butterfly is an insect having a four-stage life cycle. The difference...
A frog is a carnivorous amphibian having a five-stage life cycle, whereas a butterfly is an insect having a four-stage life cycle. The difference...See full answer below.♥️
The long arm of a chromosome