Whales, giraffes, and humans all have seven vertebrae in their necks

Plants release oxygen through stomata root hairs pith xylem tubes

What part of genes control a trait

In order for a child to inherit a recessive genetic disease like sickle cell anemia, healthy parents must both A. have the disease. B. be homozygous for the mutated gene that causes the disease. C.

What stage of the cell cycle do cells spend the greatest amount of time in

A 27 g pancake (61 Food Calories) is burned in a calorimeter that contains 500 g of water. How much does the temperature of the water increase if all of the energy from the pancake is transferred into the water?

Which has lower pH, a lake river or wetland? Why?

Which of the following fossils is not found within the rock layers of the grand canyon? a. trilobites b. dinosaurs c. stromatolites d. armored fishes

What is the primary purpose of a cardiovascular cool down?

Regulatory power over broadcasting is the domain of the: / regulatory power over broadcasting is the domain of the:

Gender, the sense of being male or female, is well-established by the time children are