Why is sunlight important to ecosystems?

Sunlight provides energy needed for producers to store food

If the eagle population suddenly decreased in the grasslands, what else would be effected?

The ecosystem would become overpopulated with snakes.

How would a woodpecker's population in a forest most likely be affected by housing development

They would experience a decrease in available food.

What will happen to lizard and hawk populations if a pesticide is sprayed to kill insects?

Both the lizard and hawk populations will decrease.

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Ecosystems 5th Grade Shiloh

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Answers

1
What would cause a decrease in the turtle population if more people have moved to the beach?
habitat loss
tropical storms
increase in predators
warmer temperatures
2
Why is sunlight important to ecosystems?
Sunlight is the only source of heat needed by living things.
Sunlight provides light necessary for living things to see.
Sunlight provides all energy needed by living things.
Sunlight provides energy needed for producers to store food
3
The bottom of the energy pyramid is made up of which kind of organisms?
producers
secondary consumers
top consumers
primary consumers
4
Which will most likely cause a decrease in predator populations?
an increase in prey populations
an increase in producers
a decrease in decomposers
a decrease in prey populations
5
How is a food web different from a food chain?
It is more complex.
It is not different.
It is less complex.
It is always changing.
6
Which organism is a producer?
mushroom
grass
frog
lizard
7
If the eagle population suddenly decreased in the grasslands, what else would be effected?
There would be a decrease in the population of snakes.
The ecosystem would become overpopulated with snakes.
The soil nutrition will decrease.
More types of plants will begin growing.
8
How would a woodpecker's population in a forest most likely be affected by housing development
They would produce more offspring.
They would experience a decrease in competition.
They would change the color of their feathers.
They would experience a decrease in available food.
9
Which is an example of a decomposer?
flower
mouse
mushroom
hawk
10
What will happen to lizard and hawk populations if a pesticide is sprayed to kill insects?
Both the lizard and hawk populations will increase.
The lizard population will increase while the hawks decrease
Both the lizard and hawk populations will decrease.
The lizard population will decrease while hawks increase
11
Which organism is a consumer?
grasshopper
tomato plant
daisy
tulip
12
Which is most responsible for recycling dead plants and animals in an ecosystem?
water
fish
bacteria
insects
13
What is a decomposer's role in a community?
to eat food
to make food
to clean up waste
to trap energy

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