Unit 7 Science-Ecosystems

What is the start of every food chain?

• Sun energy

• Windy Energy

• Producer

Select all of the organisms that would live in a pond ecosystem:

• Cacti

• Dragonflies

• Frogs

• Lillipads

• Sharks

How does the frog support this community?

• It is the predator of the owl.

• It provides energy for the owl and the snake.

• It gives encouragment to all the animals by it's sounds.

• It provides energy for the grasshopper.

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What is an example of the flow of energy in this food chain?

• Energy flows from the hawk to the snake

• Energy flows from the grass to the grasshopper

• Energy flows from the grass to the sun

• Energy flows from the hawk to the grass

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If a fox is introduced into the ecosystem and begins eating the snakes, what would happen?

• Snakes will begin to eat the plants

• Owls begin to eat the frogs

• There will be more frogs in the area.

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What starts the flow of energy in this terrarium?

• Grass

• Cricket

• Lizard

• Water

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What would happen if frogs were taken out of the food chain?

• The plants would decrease

• Grasshoppers would increase

• Owls would increase

• Frogs would increase

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Sunlight entering the bay becomes blocked by soil flowing into the water. How will the blocked sunlight MOST likely affect the bay ecosystem?

Sun---Seagrass---Seaturtles---Sharks

• The water would decrease

• The amount of sea grass will decrease.

• The number of sea turtles will increase.

• The number of tiger sharks will increase.

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What source gives energy to plants, flowers, and trees?

• Food Energy

• Mechanical Energy

• Sun Energy

• Wind Energy

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In this food chain, where does the mouse get it's energy?

• Flower

• grass

• sun

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