Earthworms have no lungs or gills. Do they "breath"? If not how do they obtain oxygen to survive

6. A dogfish shark contains 24 chromosomes in each of its muscle cells. How many chromosomes are normally found in each of its gametes? (1) 6 (2) 12 (3) 24 (4) 48

During what phase of the female's uterine cycle is the uterine lining shed?

When the human virus HIV first appeared, the mortality rate was close to 100%. However, recent information shows some individuals are unaffected by the virus.

During an extended low-calorie diet (near fasting, the body increases the utilization of as a source of energy?

What is the scientific process A. Series of random science discoveries B. A method used to answer scientific questions C. Way to use scientific measurements D. A group of logical science questions

What was the most significant conclusion that gregor mendel drew from his experiments with pea plants?

Choose the appropriate vocabulary term to complete each statement. In Mendel's crosses, the trait is visible in the F2 generation, but not the F1 generation.

If you wanted a horse to foal in January when would you breed

How are organisms in the domain eukarya different from those in teh domain archaea?

Secondary succession occurs in ecosystems without soil.