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How Do Living Things Interact?
How Do Living Things Get Energy?
How Do Living Things Compete?
How Do Environments Change?
Healthy Environments
100
Give one example of living things helping one another. In your example, both living things should benefit.
The coral hind fish, and cleaner fish. The yucca moth and a flower.
100
Give an example of a predator, and an example of prey.
A lion is a predator and a zebra is the prey. The lion eats the zebra.
100
What is competition?
The struggle that happens when two or more living things need the same resource.
100
How do beavers change the environment?
Beavers build dams out of sticks and mud. The dams cause the water to back up. This creates a new wetland.
100
Name two things people can do to help stay healthy.
Eat healthy foods, exercise, and wash their hands.
200
How do bees help each other while living in groups?
One bee finds flowers, then returns to the hive, and does a dance.
200
Explain the difference in a food chain and a food web.
In a food chain the energy moves from one type of living thing to another. In a food web, the energy moves in many different ways.
200
What do seagulls and humans sometimes compete for?
Space
200
Name two natural events. How do they change the environment?
Hurricanes change coastlines by washing away beaches and knocking down trees. Floods kill plants and wash away birds' nests.
200
What are germs?
Very small living things that include bacteria and viruses, many which cause illness.
300
Give an example of one kind of living thing helping another kind. In your example only one of the living things should benefit.
Barnacles and a whale.
300
What is a living thing that eats food called?
Consumer
300
What do male bower birds compete with other male bower birds for?
Mates
300
Define a decomposer and give two examples.
A decomposer is a living thing that breaks down waste and things that have died. Examples are mushrooms and carpenter ants.
300
What is a disease?
A condition in which the body, or parts of the body, does not work properly.
400
How do prairie dogs protect themselves?
They take turns standing guard. If the guard senses danger, he whistles. The whole group runs and hides.
400
What is a living thing that makes its own food called?
Producer
400
What do lions and hyenas often compete for?
Food
400
How can a volcano eruption help the environment?
Winds carry seeds to new places. Ash is good for the soil.
400
What do humans need to create energy?
Food
500
What are three ways living things interact? Remember, these interactions can be helpful, harmful, or neither.
Helping in groups, one kind helping another, and two kinds helping each other.
500
Explain what an omnivore, carnivore, and herbivore are. Give an example of each.
Omnivores eat both plants and animals (bear). Herbivores eat only plants (sheep). Carnivores eat only meat (wolves).
500
What six things do living things compete for?
Oxygen, water, food, space, mates, and sunlight.
500
Explain how a forest fire can hurt, and help, the forest.
The fire kills plants. The plants that survive have more room to grow. Ash from the fire is good for the soil.
500
What are the five basic needs of people?
Food, water, shelter, air, and a clean environment