Studying one trait at a time ensures that multiple are not changing simultaneously.

Give one reason Mendel chose pea plants for his experiment.

they were easy to keep track of

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

Nucleic acid certain protein cell membranes certain carbohydrates

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?