Organisms Change Environment
Environments Change Organisms
Population & Resources
Changes Impact Food Chains
Vocabulary
100

Some animals, like beavers, change their environment by building these structures across rivers creating small ponds.

What are dams?

100

If the water in a pond becomes polluted, what might happen to the fish living there?

What is they might get sick or die?

100

This word describes all the members of one species living in an area, like a group of deer in a forest.

What is a population?

100

If all the plants in an area die, what will happen to the herbivores that eat them?

What is they will have less food or die?

100

This term describes the surroundings where an organism lives, including both living and nonliving things.

What is the environment? 

200

These animals change their environment by accidentally forgetting where they buried their nuts in the ground resulting in trees to grow.

What are gray squirrels?

200

When the temperature drops in winter, some animals travel to warmer places. What is this behavior called?

What is migration?

200

Animals in a habitat depend on this basic need, which includes food, water, shelter, and space.

What are resources?

200

This top predator keeps populations of other animals in balance. If it disappears, the food chain can be disrupted.

What is an apex predator/top of the food chain?

200

This word refers to any living thing, whether it’s a tiny bacterium, a towering tree, or a human being.

What is an organism?

300

These small insects can change their environment by creating tunnels and helping air and water reach plant roots.

What are ants?

300

This environmental change in England caused light colored peppered moths to turn to a dark color.

What is the industrial revolution or factories being built?

300

If too many rabbits live in one area and eat all the grass, what will likely happen to the rabbit population?

What is it will decrease?

300

When pollution kills off fish in a lake, how are birds that eat fish affected?

What is they lose a food source?

300

This sequence shows how energy is passed from one organism to another, starting with a producer and including consumers like herbivores and carnivores.

What is food chain?

400

These underwater organisms change the environment for other marine animals by providing shelter, and protection from predators.

What are coral reefs?

400

Some desert plants have thick skins and store water to survive dry climates. What environmental factor caused this change?

What is lack of water or drought?

400

The population of rabbits have tripled since last year the number of resources will than...

What is decrease?

400

Wolves were reintroduced back to Yellowstone national park, this caused deer to avoid certain areas of the park allowing the vegetation to...

What is increase/grow back?

400

This term describes a trait that helps an organism survive in its environment, like thick fur in cold climates.

What is adaptation?

500

This type of species, when introduced to a new environment where it doesn't belong, can take over and harm native plants and animals.

What is an invasive species?

500

Over many generations, a species of birds develops longer beaks to reach nectar deep inside flowers due to a change in available food sources. What is this long-term change in a species called?

What is adaptation through natural selection?

500

When two or more populations depend on the same limited resource, they must do this to survive.

What is compete or competition?

500

A wildfire destroys a forest ecosystem. Explain how this could affect the entire food chain.

What is it removes habitats and food, causing population changes or collapse of the food chain?

500

In this type of scientific procedure, a controlled variable is kept constant to test how other factors affect the outcome.

What is an experiment?

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