Ecosystems

Which is a non-living part of an ecosystem?

• Sunlight
• Air
• Water
• All of these

What is an ecosystem?

• A group of animals that are the same species.
• Soil, water, air and sunlight
• All the living and non living things that interact in an area.
• North America

What is the name for all the animals of the same species living in an ecosystem?

• Population
• Community

A ____________ breaks down waste or dead organisms and recycles nutrients.

• consumer
• producer
• decomposer
• omnivore

Which is an example of a biotic factor in a desert?

• Sun
• soil
• snake
• minerals

Which is an example of an abiotic factor in a desert?

• Sun
• cactus
• scorpion
• snake

Which picture shows a DESERT ecosystem?

• 
• 
• 
• 

Which diagram can show us the AMOUNT OF ENERGY that flows from producers to consumers?

• Food chain

• Food web

• Food pyramid

What's the difference between a food chain and a food web?

• Energy flows in many directions in a food chain and only in one direction in a food web

• Energy flows in many directions in a food web and only in one direction in a food chain

• All ecosystems have food chains but not all ecosystems have food webs

Click on ALL the resources living things need to survive.

• Water

• Food

• Space

• Humans