The Study of Life

1. The term biosphere refers to the parts of Earth that contain

• a. freshwater environments.

• b. living things.

• c. land masses.

• d. greater biodiversity.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

2. Which phrase best describes Earth’s biodiversity?

• a. greater in consistently warm areas

• b. greater toward Earth’s poles

• c. greater according to energy needs

• d. greater where temperatures are most variable

3. An individual living thing is called a(n)

• a. species.

• b. cell.

• c. atom.

• d. organism.

4. Which of these characteristics is shared by all living things?

• a. They are made up of one or more cells.

• b. They make their own chemical energy.

• c. They have similar responses to light.

• d. They reproduce when one cell divides into two.

Tags

NGSS.MS-LS1-1

5. The basic unit of life is

• a. the cell.

• b. an atom.

• c. DNA.

• d. a species

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

6. At all levels of life, when related parts interact to form a whole they form a

• a. biosphere.

• b. species.

• c. cell.

• d. system.

7.Which statement best explains why the shape of teeth differs according to the diet of a species?

• a. Individual parts must work together.

• b. Organisms interact with other organisms.

• c. Structure and function are related in biology.

• d. Organisms must maintain homeostasis.

8. The maintenance of constant internal conditions in an organism is known as

• a. homeostasis.

• b. negative feedback.

• c. structure specialization.

• d. adaptation.

9. Which aspects of life on Earth are accounted for by evolution?

• a. diversity and unity

• b. interaction and conflict

• c. lack of genetic and physical change

• d. divergence of structure and function

10. A beneficial inherited trait that is passed on to future generations is a(n)

• a. stimulus.

• b. adaptation.

• c. system.

• d. homeostatic mechanism.