Plants get energy from the sun. Animals get energy from these.
What is from eating plants and other animals that eat plants?
100
When two or more living things need the same resource, they are said to do this.
What is compete?
100
Environments can change because of these four groups.
What are plants, people, animals, and natural events?
100
These are the basic needs of people.
What are food, water, shelter, air, and clean environment?
200
Prairie dogs take turns standing watch at their burrow openings.
What is to help protect the group from predators?
200
This is a living thing that eats food.
What is a consumer?
200
Living things compete for these four resources.
What are light, food, water, and living space?
200
When a beaver builds a dam, many changes occur. A new wetland habitat grows. This new habitat creates a home for these.
What are fish?
200
To be sure you are getting all the vitamins, minerals, and other nutrients your body needs, you must eat these.
What are healthful foods?
300
The Yucca moth carries pollen from one Yucca plant to another. The Yucca plant helps the moth by giving it a home and food for its young.
What is helping one another?
300
A consumer that eats only plants is a herbivore. A consumer that eats only animals is a carnivore. A consumer that eats both plants and animals is called this.
What is an omnivore?
300
Lemmings live on the tundra. When there is plenty of grass, the lemming populatin grows. When food is less available, the lemming population decreases. This process continues year after year. This process is called...
What is a competition cycle?
300
Hurricanes changing coastlines, floods killing plants, and little rain falling during a drought are examples of changes to an environment because of these.
What are natural events?
300
This breaks food down into a form that our bodies can use to live and grow.
What is the body's digestive system?
400
A tree helps a flower get light.
What is one kind helping another?
400
These are groups of producers and consumers that interact in a special way.
What are food chains?
400
People and animals are an example of this kind of competition.
What is a competition for space?
400
An example of a positive (good) change from a flood is this.
What is rich soil being carried from one place to another?
400
The purpose of exercise is this.
What is to keep a person's heart, lungs, and muscles strong?
500
Animals living in groups behave in ways that help them do this.
What is to survive?
500
When one part of a food web is removed, this happens.
What is other parts change?
500
Some hunting birds may get more food by stealing prey caught by other birds. this is an example of...
What is predators competing for the same prey?
500
Ash from fires helps this.
What is helps plants grow?
500
Your heart and blood vessels are part of this system.