Ecology Test Science #1 7th grade Science

What is ecology?

• The study of plants and animals.

• The study of vertebrates and invertebrates.

• The study of relationships between organisms and the nonliving things that affect them.

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Whales, Jellyfish and Water, Sand are examples of this:

• Biotic factors and Abiotic factors

• All vertebrates

• All biotic factors

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Many different organisms of the same species.

• Biosphere

• Ecosystem

• Population

What is an example of a community?

• guppies and pond plants

• sand and sea shells

• water and wind

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What is a rocky grassland?

• community

• ecosystem

• organism

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A farmer owned a field with 100’s of grasshopper mice. His family hated mice. One day they decided to kill all the mice. Unfortunately, because the mice were gone, grasshoppers had no natural predators on the farm. Now the population of grasshoppers will rise.

• True

• False

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A farm has many different types of rabbits that live on it that love the wild blueberries that grow there. It is their primary food source. Which factor determines how many rabbits can survive on the farm?

• The number of blueberries that grow on the plant.

• The number of people who visit the farm.

• The age of the rabbit.

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A farm has many different types of rabbits that live on it that love the wild blueberries that grow there. It is their primary food source. A new rabbit is born on the farm. What will this rabbit have to do in order to survive?

• It must learn to grow blueberries.

• It must compete with the other rabbits.

• It must allow the other rabbits to eat first.

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What abiotic factor is the main difference in the growing season between Arizona and Alaska?

• Plant hormones

• Temperature

• Air pollution

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This term means one organism is better adapted to live or more fit to survive a change in the environment?

• Nature's choice

• Natural selection

• Expected survivial

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