Populations & Communities

What is a group of organisms of ONE species that live in an area at the same time?

• community

• population

• ecosystem

Does the picture represent a population or community?

• population

• community

A non-living component in the environment. (This can be either a chemical or physical presence).

• habitat

• biotic factor

• abiotic factor

• species

A group of animals, plants or other living things that all share common characteristics and that are all classified as alike in some manner.

• habitat

• biotic factor

• abiotic factor

• species

A geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form an area of life.

• population

• community

• ecosystem

• ecology

The natural home or environment of an animal, plant, or other organism.

• habitat

• biotic factor

• abiotic factor

• species

All of the populations living in an area is called a __________.

• community

• population

• ecosystem

What does the graph represent?

• Emigration
• Exponential growth
• Immigration
• Logistic Growth

A relationship between two organisms in which both organisms benefit. 

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

Predator population lags behind prey population because:

• Increase in predators leads to decrease in prey

• Increase in predators leads to increase in prey

• Increase in predators leads to decrease in producers