Which is the best interpretation of the two flat portions of the graph? A. These show where the temperature is 0ºC.

B. These show where changes of state are occurring.

C. These show where kinetic energy is increasing.

D. These show where thermal energy does not exist.

German cockroaches, bulging eyes, bu, are recessive to normal eyes, bu , and curved wings, cv, are recessive to straight wings, cv . both traits are encoded by autosomal genes that are linked. a cockroach has genotype bu bu cv cv, and the genes are in repulsion. which set of genes will be found in the most common gametes produced by this cockroach?

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time