Unlike cnidarians and platyhelminths, round worms have a (n) A. one-way digestive tract. B. single-opening digestive tract. C. reproductive structures. D. bilaterally symmetrical body plan.

Which of the following is most important in forming ATP

What is the advantage of having a folded inner membrane in the mitochondria?

Why is it important during testing to treat all blood as if it may be unsafe? Explain.

A car moves with an average speed of 45 miles/hour. How long does the car take to travel 90 miles? 2 minutes 2 hours 45 minutes 45 hours 90 minutes

What kind of epidemic hit Europe during World War I?

An increase in the level of hormone A causes an increase in the level of hormone B. The increase in the level of hormone B then causes a decrease in the level of hormone A.

What did the shift from hunting and gathering to gardening lead to?

In the human body, oxygen is absorbed by the lungs and nutrients are absorbed by the small intestine. In a single-celled organism, this absorption directly involves the 1. nucleus 2. chloroplasts 3. cell membrane 4. chromosomes

The big chunks of earth's crust (plates) slowly moved around. This is called?

N your own words, describe an interaction between the hydrosphere and the geosphere