Unit 3: Ecosystems

Which of these ecosystems is common in South America?

All of the ecosystems on Earth make up the ____.

What type of ecosystem is this?

Who is the tertiary consumer?

Who is the primary consumer?

Who is the secondary consumer?

Which organism is the producer?

A _____ is a group of organisms of different species.

There are fewer tuna than there used to be because of _____.

What are ways we can protect natural habitats?

Who is the decomposer?

An aquatic ecosystem is on land.

A ____ _____ shows the trophic relationships between organisms.

A group of ecosystems with similar characteristics is called a _____.

The place where a population lives is called a _____.

Factory smoke is an example of _____.

An ecosystem that has not been affected much by human activity is called a ______.

The city of Madrid is an _____.

If you cut down trees, but you do not plant seeds for new ones to grow, you cause ______.

The living part of an ecosystem is called the _____.

A _____ is a group of organisms of the same species.

The non-living part of an ecosystem is called the _____.

A relationship between organisms of the same species is an _____ relationship.

In a _________, winters are mild and rainy, and summers are hot and dry.

Getting electricity from the sun and wind protects our environment. This is an example of _______.

A picture of all the food chains in an ecosystem is called a ____.

Relationships between organisms that eat other organisms are called _____ relationships.

Not properly throwing away cigarettes can start ______. These are common in California.

A terrestrial ecosystem is in the water.

Dinosaurs no longer exist. This is an example of ______.

What type of ecosystem is this?

A relationship between organisms of different species is an _____ relationship.