Which gas in the atmosphere made the development of eukaryotic cells possible? A. methane B. nitrogen C. oxygen D. carbon dioxide

What evidence did Darwin use to support his theory of evolution? Select three options. O in-depth studies of individual organisms O observations of fossils finches on different islands had different types of beaks O young finches that acquired

Part B - Diet and Lifestyle Choices During Pregnancy Pregnancy comes with a unique set of diet and lifestyle guidelines. Some substances are particularly beneficial for the mother or baby, others are harmful, and some should be used with caution.

What happens during the second trimester

Explain how a child gets one copy of each gene from his/her mother and another copy of each gene from his/her father

Sodium and potassium ions are essential for muscle contractions of the heart. The ions are transported using a pump, which obtains energy by the breaking of. This action requires the expense of energy.

Amoeba paramecium and spirogyra are diverse. why then are they all classified as protists

Which of the following statements about stability is NOT true? a. Skilled athletes have high levels of stability. b. Stability can be learned through practice. c. Stability is genetic and cannot be improved. d.

Why do we have six different crystal structures?

What is the difference between a population community and ecosystem?

The health care provider reviews the waist-hip ratio of a male. the ratio is 1.0. the provider would interpret his result as: