Ecosystems
All the living and nonliving things that interact in an area make up a(n) ______.
Ecosystem
A(n) ________ is any organism that makes its own food.
producer
What is a consumer?
An organism that eats other organisms for food and energy.
What is a decomposer?
An organism that breaks down dead materials and their wastes.
Describe a predator prey relationship in an ecosystem.
Answers may vary.
Tiny plantlike organisms called _______ are food for many pond animals.
algae
Energy enters most ecosystems as ______
sunlight
You have learned that humans, like all consumers, have needs that must be met if they are to survive. What are some needs that must be met for you to survive? Describe at least three.
Food, water, shelter, oxygen
What is the role of a decomposer in an ecosystem?
break down dead organisms and their wastes, they are nature recyclers
What is true of a healthy ecosystem?
A balance in predator/prey relationships, organisms can meet their needs
Scientists that study ecosystems and teach other people about them are called ______.
Ecologists
During photosynthesis, plants produce sugar and ______
oxygen
What are two examples of consumers?
Answers may vary.
What are two examples of decomposers?
Molds, bacteria, fungi, etc.
You build a compost pile using kitchen waste like egg shells and banana peels. Three weeks later, you check your compost. Which of the following observations is the BEST evidence of decomposition?
The kitchen scraps became smaller over time.
What is an example of an ecosystem in the world?
Answers will vary.
Photosynthesis is the process that plants use to make food from water and carbon dioxide. Which part of the plant is mainly responsible for capturing carbon dioxide for photosynthesis?
Stomata in the leaves
What two systems in the body are used for consumers to break down their food?
What are small decomposers, some healthy some unhealthy, that cannot be seen without a microscope?
Bacteria
A monkey gets the energy it needs to climb trees by eating the tree’s leaves. Where did the energy stored in the leaves come from originally?
sunlight
What type of ecosystem do we live in?
Urban
Plants turn sugar into _______ for storage so they can have energy even when they cannot perform photosynthesis.
starch
What is an organism called that eats both producers and other consumers?
Omnivore
How do molds grow?
Spores float through the air and land on a damp surface with moisture and oxygen, are able to grow.
What happened historically in Yellowstone with wolves?
Students will explain