1. Describe the flow of energy to killer whales. 2. If killer whales were removed from the ecosystem, how would it
impact the other organisms?

3. What would you expect to happen if the algae population
increased?

4. Describe how the fish population would change if the seal
population decreased.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.