As trophic level increases, available energy

How much energy is moved from one trophic level to the next trophic level?

How many calories will be passed on from 250 to the next trophic level?

Which of the following processes in the nitrogen cycle is where decomposers break down animal and plant proteins (from dead organisms) and waste to release energy, releasing a form of ammonium into the soil.

Which of the following processes in the nitrogen cycle is a process that converts atmospheric nitrogen into ammonia, which is absorbed by organisms. Performed by nitrogen-fixing bacteria.

Known as eutrophication, excess fertilizer runoff in aquatic ecosystems causes -

The process when plants release water vapor from their leaves is called _____________.

What is a square called that we use to sample populations?

What type of population would you ESTIMATE using a quadrat?

These four 1m² squared quadrats were place in a 8m² garden. Estimate the total population of flowers in the whole garden.

Which is NOT an example of a density-dependent factor?

Which is NOT an abiotic factor?

Components of an environment that can reduce a population size are called —

Which of the following accurately describes the difference between mark recapture and quadrat sampling?

In a mark-recapture study, a field biologist collects 30 Eastern Gray Squirrels and marks them. She releases them and comes back two weeks later and collects 40 Eastern Gray Squirrels and 10 of them were marked. What is the estimated population size of Eastern Gray Squirrels?