Populations & Resources Chapter 1 Quiz

When a populations is known to be STABLE, _______________.

• there are more births.

• it stays mostly the same, over time.

• there are more deaths.

• there are no new births or deaths happening.

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

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.

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

• Honeybees

• Moon Jellies

• Weebugs

• Furbils

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.

• All living things, such as plants, animals, and bacteria.

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

Which of the following is a NONLIVING part of an ecosystem?

• Pebbles

• Flowers

• Jellyfish

• Plankton

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.

Which of the following is a LIVING part of an ecosystem?

• Mountains

• Water

• Sun

• Trees

A population of bluefish lives in the Gulf of Mexico. Over the last 50 years, the size of the bluefish population has DECREASED. What best explains the DECREASE in the size of the bluefish population?

• A lot of bluefish died and no new bluefish were born.

• More bluefish were born than died.

• Fewer bluefish were born than died.

• The bluefish population is always decreasing because bluefish are always being eaten.

Used by an ecologist, what is the definition of a sample?

• The WHOLE that is meant to show what a PART is like.

• A small PART that is meant to show what the WHOLE is like.

• What you get at Costco or Sam's Club.