What would happen if the krill were removed from the food web below?
question options:
the population of seals would increase.
the population of squid would decrease.
the population of seals would stay the same.
the population of squid would fluctuate.

Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.

Tom wants to conduct a scientific study but he needs to finish by the end of the school year. what practical way could tom work around this limitation and be successful in his study?

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?