Easy
Medium
Hard
Harder
100
Where do producers get the energy they need to make their own food?
Sun or Sunlight
100
What is an example of a carbohydrate?
sucrose, fructose, glucose
100
Name four examples of an ecosystem.
desert, lake, river, coral reef, tundra, grasslands, forest, rain forest
100
True or false: Plants cannot grow without soil.
false
200
What is a consumer?
an organism that eats another organism
200
What is an herbivore?
an organism that only eats plants
200
What is a food chain?
a model that shows how organisms depend on the next as a source of food
200
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
300
Name one thing animals use food for.
body repair, growth, motion, warmth
300
An organism that eats animals is called a what?
carnivore
300
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
300
Study the food web on the board or chart paper. Which organism would increase if the snake population decreases?
mouse
400
The process in which plants use sunlight to make glucose is known as what?
photosynthesis
400
What do decomposers do?
break down dead organic material
400
Name two human activities that disrupt ecosystems.
deforestation, agriculture, urbanization, controlled forest fires, overhunting, overfishing, overpopulation
400
Study the food web on the board or chart paper. Which organisms are herbivores?
grasshopper, mouse, chicken
500
When food is converted into energy, this process is known as what?
metabolism
500
What is an ecosystem?
a community of organisms and a physical environment that interact
500
Name two natural events that can disrupt an ecosystem.
volcanic eruption, earthquake, hurricane, tornado, fire, drought, flood
500
Fill in the food chain
sun > producer > consumer > scavenger >_________
sun > producer > consumer > scavenger >(decomposer)