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10 questions
In an ecosystem, snakes feed on frogs, which feed on mosquitoes. Use of a bug spray has decreased the number of mosquitoes. What will probably happen to the number of frogs and snakes?
Frogs will increase, snakes will increase
Frogs will increase, snakes will decrease
Frogs will decrease, snakes will increase
Frogs will decrease, snakes will decrease
Which of these shows a possible food chain for an ecosystem?
shark--> fish --> plankton -->sun
sun --> plankton --> fish --> shark
plankton --> sun --> fish --> shark
plankton --> fish --> shark --> sun
If the snake population decreased, which group would increase in number?
Producers
Primary consumers
Secondary consumers
Tertiary consumers
Decomposers
This biome is cold, has animals with thick fur, and permafrost prevents deep rooted plants
Tundra
Taiga
Rain forest
Grassland
This is the largest biome, with lots of rainfall and snow
Tundra
Taiga
Rain forest
Grassland
This biome has open spaces with grass, but very few trees
Tundra
Taiga
Rain forest
Grassland
This biome has dense foliage and the most biodiversity
Tundra
Taiga
Rain forest
Grassland
This is an example of a(n)
omnivore
carnivore
herbivore
decomposer
A raccoon eats plants and animals. It is an example of a(n)
omnivore
carnivore
herbivore
decomposer
What do producers need, other than sun, for photosynthesis?
Water and CO2
Glucose and O2
Love and happiness
Carbohydrates and water
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