Ecology

a relationship that occurs when two or more organims of the same species need the same resource at the same time

• competition

• symbiosis

• predation

Ecology is the study of:

• only the living things in the environment

• only the nonliving things in the environment

• how living things interact with each other and the nonliving things in the environment

• scientists who perform research on living things

Tags

NGSS.MS-LS2-3

What term do ecologists use to describe where an animal lives (an animal’s home)?

• Ecosystem

• Ecologist

• Habitat

• Population

What type of organism can make its own food?

• A producer (an autotroph)

• A consumer (a heterotroph)

• A decomposer

• All of the above

Tags

NGSS.MS-LS1-6

The first organism in a food chain is ALWAYS a:

• producer

• consumer

• decomposer

• Any of the above

How much energy is transferred between trophic levels?

• 25%

• 20%

• 10%

• 90%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is a niche?

• The habitat that an organism lives in

• An organism’s “role” in an ecosystem

• A type of consumer

• The relationship between a producer and consumer

Tags

NGSS.MS-LS2-2

What happens when different species try to occupy the same niche?

• The species compete with each other

• The species cooperate with each other

• The species coexist with each other

• All of the above

Tags

NGSS.MS-LS2-2

In what type of relationship do both organisms benefit from the relationship?

• Parasitism

• Mutualism

• Commensalism

• Predation

How does oxygen cycle between plants and animals?

• Plants and animals both release oxygen

• Plants and animals convert water into oxygen

• Plants take in oxygen that is produced by animals

• Animals take in oxygen that is produced by plants

Tags

NGSS.MS-LS2-3