Mike and Veronica are expecting their first child and they are nervous about all of the possible health issues a baby can face. Explain how knowing their family medical history can be useful for Mike and Veronica and their doctors as they prepare for the birth of their child.

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

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.