Describe how genetic mutations result from DNA replication errors.

4. Summarize how a single change at the cellular level can impact the entire body

Genetic disorders can result when sister chromatids fail to separate properly. During which phase is this problem most likely to occur? A: g1 phase B:g0 phase C: Cytokinesis D:Mitosis

What is the most likely mode of transmission for a trait that is not expressed in parents but is expressed by one half of the sons?

The cephalothorax is a fusion of a. the head and tail region b. the abdomen and thorax region c. the head and thorax region d. none of these, it is not fused

Henry touched a hot plate and immediately moved his finger away from it. Which best explains the integumentary system's role in this reaction? A. Oil in the skin sensed the temperature difference. B. Nerve endings in the skin responded to the heat.

Who was the first person to look at living cells using a microscope

What organelle is most specialized?

What is the body of a sponge is covered with many small opening?

Population Growth Which of the following refers to the movement of individuals out of a particular area? A. Immigration B. Emigration C. Transporting Population growth is a big concern for ecologists.

How does a caterpillar get it's energy?