Some types of pollution are hard to

control because they are a global

problem. This means that an action in

one part of the world has an impact in

another part of the world.

True

False

Which statement best describes the feeding behavior of salamanders that live on land? They are active at night, and they feed on insects, crustaceans, and worms. They are active at night, and they feed on berries and leaves.

Which of the following molecules found in the food we eat is most commonly broken down to make ATP?

Several tissues make up a?

A dominant mutation in Drosophila called Delta causes changes in wing morphology in Delta / + heterozygots. Homozygosity for this mutation (Delta / Delta) is lethal.

What is he role of the cell wall in plant strucutre?

4. A tree dropping its leaves in the fall to conserve water and avoid freezing during winter is an example of?

Which is a single-celled fungus? A. mold B. mushroom C. alga D. yeast

Explain problems with using low-tar, low-nicotine cigarettes.

Some students are comparing the parts of a cell to the parts of the body. Which part best represents the cell membrane and why?

What is the difference between the nitrogen and carbon cycles?