The sperm contributes DNA nutrition and organelles to the zygote. True or false?

Which of the following processes take place in both plant and animal cells?

Which of these landforms is not common in an area of karst topography

15. The transfer of DNA from parents to offspring is known as a. Differentiation b. Mutation c. Immunity

Snakes and other animals are part of a group called reptiles. how do reptiles differ from other animals

What would most likely happen if there were no condensation stage in the water cycle? A. water could not convert from a gas to a liquid B. water could not convert from a liquid to a gas C. water could not convert from transpiration to evaporation D.

1.) How do photosynthesis and cellular respiration relate to each other? 2.) What is the overall purpose of cellular respiration? Why is cellular respiration important? 3.) What is the overall purpose of photosynthesis? Why is it important?

Which of the following is a way that groundwater depletion affects streams? a. lower water level b. loss of vegetation c. wildlife disruption d. all of the above

A nonspecific defense reaction to tissue damage caused by injury or infection is known as A. passive immunity. B. the inflammatory response. C. active immunity. D. cell-mediated immunity.

If you pushed someone down a hard flight of stairs, would they die?

Introduction to the human digestive system?