Which best describes what is occurring in this population of squirrels? number of squirrels entering and leaving a population after 1 year cause of change number of squirrels died from predation 2 born 4 immigration 10 left to find food 3 died from disease 8 left to find a mate 3 population growth is decreasing. population growth is increasing. population growth stays the same. population reaches carrying capacity.

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Biology 1c cumulative exam i need awsners

In german cockroaches, curved wing (cv) is recessive to normal wing (cv+). bill, who is raising cockroaches in his dorm room, finds that the frequency of the gene for curved wings in his cockroach population is 0.6. in his friend joe’s apartment, the frequency of the gene for curved wings is 0.2. one day joe visits bill in his dorm room, and several cockroaches jump out of joe’s hair and join the population in bill’s room. bill estimates that, now, 10% of the cockroaches in his dorm room are individual roaches that jumped out of joe’s hair. what is the new frequency of curved wings among cockroaches in bill’s room? 0.69 0.4 0.5 0.31 0.20