Energy Food Chain Food Webs Ecosystem Other
100
The Sun
What is the source of all energy?

100
The flow and direction of energy
What do the arrows in a food chain represent?
100
False
Why?
True or False: Food webs contain one food chain.
100
All of the biotic and abiotic parts interacting in an environment
What is an ecosystem?
100
Glucose from CO2 and H2O
What do plants produce through photosynthesis?
200
Producers
What are organisms that make their own energy called?
200
Producer
What always begins a food chain?
200

The invasive species will out compete the other predators. Will destroy the ecosystem by eating all the prey. No natural predators
If an invasive species is introduced to a food web how will that affect that ecosystem?
200
Forest
Ocean
Desert
Give an example of an ecosystem
200
The sea gull population would go down and the sea star population would increase
kelp---> sea stars---> crabs ---> sea gulls
What would happen if there was a decrease in crabs according to this food chain?
300
Primary consumer: insect
Secondary consumer: frog
Decomposer: bacteria
Name the primary consumer, secondary consumer, and decomposer: grass ---> insect ---> frog---> bird--> bacteria
300
Cactus, mouse, snake, hawk
Correctly show the flow of energy using these: cactus, snake, mouse, hawk
300
Food chain: one way for energy to flow, simple
Food web: multiple ways for energy to flow, made up of food chains, shows relationships, complex
How is a food web different from a food chain?
300
Habitat: where an organism lives
Niche: an organisms job in its habitat
What is the difference between a habitat and a niche?
300
Yes
Can an abiotic factor affect a biotic factor? Give an example
400
10%
How much energy is transferred from level to level?
400
Vulture
Which of these organisms would be at the top of the energy pyramid: rabbit, wild flower, snake, vulture
400
Nutrients would not be recycled back into the soil.
What would happen if there were no decomposers in an ecosystem?
400
Many ecosystems
What does a biome contain/ is made of?
400

Scavengers get food/energy by eating dead animals, and decomposers get food/energy by breaking down the remains of other organisms. They also live on or near dead things.
How are scavengers and decomposers differ?
500
Root and Stem
What are the two parts of the plant that store the plants energy?
500
The energy decreases.
What happens to the energy the further up it gets in the food chain?
500
It is given off as heat when the organisms breathes, hops, eats
What happens to the energy that is not transferred as energy goes up the energy pyramid?
500
species, population, community, ecosystem, biome
List these from smallest to biggest: population, species. community, biome, ecosystem
500
False
Why?
True or False: these are all biotic-
fox, zooplankton, lion, virus, fungi






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