Ecosystems
Vocabulary
Food Chain
Write It
Potpourri
100
A system where living and nonliving things interact.
Describe an ecosystem
100
An organism like an insect that eats the remains of animals.
What is a decomposer?
100
Grass
Which of these is a producer: deer, grass, hawk, or worm?
100
Nutrients and minerals
What are two thinsg that animals need that travel through a food chain?
100
Air, climate, soil, and water
What are the non-living parts of an ecosystem?
200
The amouont of food decreases.
What is one explanation for a decrease in population of birds in a community?
200
An animal that eats plants and animals.
What is an omnivore?
200
Sunlight
What is the main energy source for life on Earth?
200
The decaying organisms put minerals back into the soil
How do decaying organisms in a swamp help create the next generation of organisms?
200
It's niche is the job it does. It's habitat is where it lives.
What is the difference between the niche and the habitat of a desert roadrunner?
300
The prairie dog's habitat
You see a prairie dog sticking its head out of its hole. What does this show?
300
An animal that eats only meat.
What is a carnivore?
300
Food web
What is shown by an illustration with arrows drawn from a plant to two animals and arrows from those animals to other animals?
300
It eats algae and is eaten by blue herons.
What is the place of the freshwater snail in the swamp food chain?
300
A food web is a system of many food chains where the flow of energy goes in many directions.
What is a food web?
400
It has parts that work together for a purpose.
What is a desert a system?
400
An animal that eats only plants.
What is an herbivore?
400
The food web will change.
What is most likely to happen if most of a population of animals dies of disease?
400
The decaying organisms put minerals back into the soil.
How do decaying organisms in a swamp help create the next generation of organisms?
400
A food chain only goes in one direction and shows how organisms transfer energy.
What is How does a food chain differ from a food web?
500
wings
Which adaptation would be most useful to an animal whose niche is eating nectar from plants?
500
All organisms that live in an ecosystem.
What is a community?
500
It eats algae and is eatten by blue herons.
What is the place of the freshwater snail in the swamp food chain?
500
Plants, animals, protists, fungi, and bacteria
What are the living parts of an ecosystem?
500
In warmer temperatures, decay happens more quickly.
Explain why dead organisms decay faster in summer than in winter.
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