Populations and Resources Chapter 1

An ecologist is a scientist who studies…

• The types of rocks and soil in an area.

• The interactions between living things and their environments.

• The phase changes of different substances.

• The life cycles of viruses and their hosts.

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What organism is the main focus of our Amplify unit story?

• Marine biologists

• Moon Jellies

• Orca Whales

• Giant Kelp

In our Amplify story, what is the problem we are trying to solve?

• Why are there so many different species living in Glacier Sea?

• How has climate change affected Glacier Sea?

• Why is the moon jelly the only type of jelly in Glacier Sea?

• Why did the population of moon jellies in Glacier Sea mysteriously increase?

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An ecosystem is made up of ______ .

• living things and their offspring

• nonliving things such as rocks and soil

• living things and nonliving things

• many types of animals

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What is the best definition of an organism?

• Many individuals of the same species living in the same area.

• All of the living and nonliving things in a particular area.

• An individual plant, animal, fungus, or single-celled life form.

• A creature that is large enough to see without using a microscope.

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Which picture accurately shows a "population"?

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What is a scientific word that refers to new organisms being made?

• Reproduce

• Renovate

• Expire

• Subsist

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Within a population, organisms are always…

• eating and sleeping.

• being born and growing up.

• being born and dying.

• dying of old age and eating other things.

What causes a population size to increase?

• The number of births is greater than the number of deaths.

• The number of deaths is greater than the number of births.

• The number of births and the number of deaths is equal.

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What causes a population size to decrease?

• The number of births is greater than the number of deaths.

• The number of deaths is greater than the number of births.

• The number of births and the number of deaths is equal.