Photosynthesis
Food Chains
Food Webs
Ecosystems
Natural Resources & Natural Disasters
100
What is the source of all energy?
Sunlight
100
Every food chain begins with ___ and ends with ____ predator.
Producer, Apex Predator
100
How does a food web differ from a food chain.
A food web is multiple food chains in one ecosystem.
100
What ecosystem would you find cacti, rattlesnakes, rats, hawks, and shrubs?
Desert
100
Where do natural resources come from?
Earth
200
What are the reactants of photosynthesis?
Carbon Dioxide-CO2, Water-H2O, Sunlight-Radiant Energy.
200
An animal that eats a Primary Consumer is called?
Secondary Consumer
200
What is the niche of a decomposer?
Break down dead plants and animals
200
What adaptation would a Artic Rabbit have to help it blend into its environment?
Camouflage
200
What are the two types of natural resources?
Provide an example of each.
Renewable and Nonrenewable resources.
Answers may vary.
300
What are the small green part of the leaves that the process of photosynthesis occurs in?
Chloroplast
300
Rewrite this food chain correctly:
Grass<---Frog<---Snake<---Hawk.
Grass--->Frog--->Snake---> Hawk
300
Identify a food chain with the food web:
Answers may vary
300
A land based ecosystem is called?
Terrestial
300
How does using sunlight for energy instead of coal conserve resources and prevent pollution?
Sunlight is a renewable resource that does not produce smoke or chemicals when burned.
Answers may vary.
400
A plant grows in a room with no windows. Where is it getting energy from?
The ceiling lights.
400
What is a Herbivore, Carnivore, and Ominivore?
Herbivore:Eats plants
Carnivore: Eats animals
Omnivore: Eats both plants and animals
400
A virus comes into the food web and kills the snake. Which organism will decrease? Which two organisms will increase?
Decrease: Hawk
Increase: Bird, Frog
400
This type of forest has trees that stay green all year round?
Evergreen/Tiaga
400
Oil is spilled in the ocean. What is the best option to clean it up?
A. Add chemicals to the water to help the oil break down.
B. Set the water on fire to burn the oil off.
C. Use nets to gather the oil off the top of the water.
C. Use nets to gather the oil off the top of the water.
500
Write the formula for photosynthesis
CO2+H2O+RE----> CHO+O
500
In the food chain:
Grass---> Grasshopper---> Frog---> Snake.
The snake population dies. What happens to the grass?
The grass will increase.
No snakes means more frogs, less grasshoppers, and more grass.
500
1.As energy moves through a food web, the consumer only gets ____ %.
2.If a producer starts with 100% of the energy, how much would the Tertiary Consumer recieve?
1. 10%
2. 0.1% Energy
500
This is where fresh water meets salt water.
Estuary
500
How does deforestation affect an ecosystem?
Animals lose their homes and there is no longer producers in ecosystems.