Ecosystems (Part 1)

_______ is the study of relationships among living and nonliving parts of an environment. 

• Ecosystem
• Niche
• Habitat
• Ecology

What are the two parts of an ecosystem?

• water and sunlight
• all living and nonliving organisms
• producers and consumers
• soil and nutrients

What is a niche?

• the place where a species lives
• what a species eats
• the role of a species
• how a species uses resources

The process by which plants use sunlight to make sugar from water and carbon dioxide is called 

• pollination
• photosysthesis
• scavenging
• fertilization

What do consumers give off that producers need?

• oxygen
• carbon dioxide 
• sugars
• heat

What do plants produce when they carry out photosynthesis?

• sugar
• carbon dioxide
• water
• all of the above

A food chain is a diagram of how 

• communities are connected
• energy and nutrients pass among organisms in an ecosystem
• producers make food
• an ecosystem develops and changes

Consumers cannot do which of the following

• give off carbon dioxide
• change sugars into energy
• give off oxygen
• carry out respiration

All living things get their energy from which of the following sources?

• food
• water
• sun

Which of the following is another word for a plant?

• autotroph
• heterotroph
• consumer