Unit 4: Ecosystems Quiz 1

_______________ are the living factors in an environment and may include food sources and other populations.

• Community
• Competition
• Biotic factors
• Population

When predator numbers decrease, prey numbers ____________ because fewer of them are being consumed.

• decrease
• increase
• stay the same
• divide in half

A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on .

• Biotic and Abiotc Factors
• Biotic Factors 
• Abiotic Factors 
• None of the Above

A group of interacting individuals of the same species located in the same area

• population

• species

• interaction

• reproduction

Which of the following is not a biotic factor?

• mushroom
• air
• elephant
• coyote

What is the carrying capacity of the graph?

• around 500
• more than 500
• less than 500
• around 600

Limiting factors are sometimes helpful because they can keep the population from getting too large.

• True
• False

Food, water, sunlight, shelter, and space are resources that are  __________.

• limiting factors
• wet
• messy
• found in rocks

An organism's _________ is defined as the environment in which it lives.

• habitat
• niche
• social structure
• ecosystem

The ecological role an organism performs in their specific environment is considered the organism's...

• Habitat

• Population

• Biome

• Niche