Ecology - AYER 2025

All the members of a species living in a specific area is called:

• community

• population

• ecosystem

• biome

Spiders eat flies. When drawing the food chain for this relationship, you should draw the arrow:

• FROM the spider, TO the fly

• FROM the fly, TO the spider

Tags

NGSS.MS-LS2-3

A lion that eats a zebra that eats grass is a

• primary consumer

• secondary consumer

• tertiary consumer

• quaternary consumer

Tags

NGSS.MS-LS2-3

The study of interactions between organisms and their environment is called:

• niche
• community 
• ecology
• ecosystem

Tags

NGSS.MS-LS2-2

Non-living factors that affect an ecosystem are called:

• biotic factors

• abiotic factors

• food chains

• biomes

A group of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

What type of relationship is this?

• parasitism

• mutualism

• commensalism

• competition

A symbiotic relationship in which both organisms benefit is called:

• competition

• mutualism

• predation

• commensalism

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Organisms that break down dead organisms and recycle nutrients back into the soil are called:

• consumers

• trophic levels

• decomposers

• species