What is a consumer?
An organism that eats another organism
Where do producers get the energy they need to make their own food?
sun or sunlight
What is an ecosystem?
A community of organisms and a physical environment that interact
What is a food chain?
A model that shows how organisms depend on the next as a source of food
Name one thing animals use food for.
Body repair, growth, motion, warmth
The process in which plants use sunlight to make glucose is known as what?
Photosynthesis
Name four examples of an ecosystem.
Desert, lake, river, coral reef, tundra, grasslands, forest, rain forest
What is a food web?
A model that shows how multiple food chains interconnect to represent how organisms depend on each other as a source of food
What is an herbivore?
An organism that only eats plants
What is an example of a carbohydrate?
Sucrose, fructose, glucose
How would an ecosystem be affected if someone took out all of the rocks?
All of the organisms that use rocks as shelter would die, thus resulting in a missing link for the food chain in that ecosystem. The ecosystem would eventually cease to exist.
The following organisms live in a marine ecosystem: dolphin, shrimp, algae, shark. Place the organisms in order of their food chain.
Algae, shrimp, dolphin, shark
An organism that eats animals is called a what?
Carnivore
True or false: Plants cannot grow without soil.
False
Name two natural events that can disrupt an ecosystem.
Volcanic eruption, earthquake, hurricane, tornado, fire, drought, flood
Study the food web. Which organism would increase if the snake population decreases?
Mouse
What do decomposers do?
Break down dead organic material
When food is converted into energy, this process is known as what?
Metabolism
Name two human activities that disrupt ecosystems.
Deforestation, agriculture, urbanization, controlled forest fires, overhunting, overfishing, overpopulation
Study the food web. Which organisms are herbivores?
Grasshopper, mouse, chicken