Homeostasis Storyline Review #1

Front

How do abiotic and biotic factors affect populations?

Back

By causing fluctuations in the population size.

Front

What is carrying capacity?

Back

The maximum population size of the species that the environment can sustain indefinitely.

Front

If there is a community of 17 ocean organisms and 7 of them are Snorks, what is the percentage of Snorks living in this community?

Back

41.18%.

Front

What is a hypotonic solution?

Back

A solution with a lower concentration of solutes outside the cell, causing water to flow into the cell.

Front

How did human activity in the Pacific Northwest affect otter populations?

Back

All of the above: Over-whaling resulting in a change in Orca diets, introducing pollutants into their environment, and catching otters to use their fur.

Front

What are abiotic factors?

Back

Non-living chemical and physical parts of the environment that affect living organisms.

Front

What are biotic factors?

Back

Living components of an ecosystem that affect the population of organisms.

Front

Define population density.

Back

The number of individuals per unit area or volume.

Front

What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.

Front

Explain the concept of ecological succession.

Back

The process of change in the species structure of an ecological community over time.