Bio. Ch. 1 Test

An individual living thing is called a(n):

• species

• cell

• atom

• organism

The term "biosphere" refers to the parts of Earth that contain:

• freshwater environments

• living things

• land masses

• greater biodiversity

Tags

NGSS.MS-LS2-3

The basic unit of life is:

• the cell

• an atom

• DNA

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

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

• biosphere

• species

• cell

• system

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Which statement best explains why the shape of teeth differs according to the diet of a species? Mark only one oval.

• Individual parts must work together

• Organisms interact with other organisms

• structure and function are related in biology

• organisms must maintain homeostasis

Tags

NGSS.MS-LS3-1

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

• homeostasis

• negative feedback

• structure specialization

• adaptation

A beneficial trait that is passed on to future generations

(a)  

Tags

NGSS.MS-LS4-4

Which word best describes a scientific hypothesis? Mark only one oval.

• provable

• theoretical

• testable

At which stage of the scientific method would scientists find out if their hypothesis was supported by their data? Mark only one oval.

• experiment

• analyzing data

• evaluating results

Which phrase best defines a gene? Mark only one oval.

• slice of a specimen

• inherited trait

• basic unit of life

• segment of DNA