Q1. What is a population? What is a species? You are conducting fieldwork and discover two populations of squirrels living on opposite sides of a lake. How would you design a study to determine, without disturbing the squirrels, whether these two populations belong to the same species? Describe.

Q2. Explain representative organisms of forest biomes discussed in the text: taiga, temperate deciduous forest, temperate rain forest, and tropical and tropical rain forest.

Q3. If you slipped on a rock as exploring a tide pool and your knee became inflamed, which of the three algal species might help reduce the swelling?