Populations and Resources Chapter 1 and 2 Quick Check

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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NGSS.MS-LS2-4

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

• Reproduce

• Renovate

• Expire

• Subsist

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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.

If the population size stays stable, does this mean that no organisms have been born or died?

• Yes, because if organisms were born or died that would change the number of organisms in the population.

• No, because if some organisms are born and the same number of organisms die, then the total population size can stay constant.

• Yes, because some organisms never die, so they don't need to reproduce.

• No, because all organisms will give birth and then die.

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Based on this graph, what must be true about the US honeybee population?

• There are more births than deaths occurring.

• There are more deaths than births occurring.

• There is an equal number of deaths and births occurring.

• People don't like honeybees.

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When something remains mostly the same over time it is said to have....?

• Uneventful

• Potential Energy

• Stability

• Boring