Matter and Energy in Organisms and Ecosystems pg 82 - 98

Amy arrives at the beach moments before a turtle hatching. What could Amy do that will be a good scientific practice?

• Remove beach debris to make it easier for the turtle s to get to the ocean.

• Take some of the turtles home for pets.

• Observe and record how may turtles hatch and waddle to the water.

• Turn some of the tutles toward the land.

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The pond in the community garden has an alga. A gardener introduces a new species of fish which will eat the species of alga. However, they are also known to eat other fish. After a few weeks, what is MOST likely to happen to the native species of fish in the pond?

• The native species and new species will make a hybrid.

• The algae will eat the native species before it clears up.

• The new species may start to eat the native species.

• The two species will peacefully live in the pond

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True or False?

Remy plants seeds in one container containing sand and another containing soil from the forest. He gives them equal water and sunlight. The plant in the soil is more likely to grow because the soil will provide more nutrients and hold water better than the sand.

• True

• False

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Which abiotic factors separate marine ecosystems from river ecosystems?

• Sunlight and sand

• salt and sand

• sand and algae

• algae and salt

True or False?

You are watching a spider build its web. It builds the web to catch flies and other types of insects. The insects are a consumer and predators. The spider that catches the insects is a primary consumer and prey.

• True

• False

Which of the following is most UNLIKELY to live in a rainforest?

• wolves

• jaguars

• piranha

• toucans

To answer the question, "How can I build a building which will not fall down during an earthquake?", which process is used?

• engineering

• investigtaion

• recording data

• phenomenon

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True or False?

If you found owl droppings on the ground, to describe the movement of matter from the owl's food sources back to the environment, you would say:

The owl eats a small animal like a rabbit. The owl digests the rabbit and leaves the droppings on the ground. Decomposers break down the droppings and return the food to the soil, supplying the soil with nutrients for plants.

• True

• False

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