Stimulus

• any change in an organism’s internal or external environment that causes the organism to react

• changes an organism undergoes in its lifetime before reaching its adult form

• regulation of an organism’s internal environment to maintain conditions needed for life

• orderly structure shown by living things

Development

• orderly structure shown by living things

• regulation of an organism’s internal environment to maintain conditions needed for life

• changes an organism undergoes in its lifetime before reaching its adult form

• production of offspring

Tags

NGSS.HS-LS1-4

Homeostasis

• any change in an organism’s internal or external environment that causes the organism to react

• regulation of an organism’s internal environment to maintain conditions needed for life

• orderly structure shown by living things

• production of offspring

Tags

NGSS.HS-LS1-3

Organization

• production of offspring

• regulation of an organism’s internal environment to maintain conditions needed for life

• changes an organism undergoes in its lifetime before reaching its adult form

• orderly structure shown by living things

Tags

NGSS.MS-LS1-3

Reproduction

• any change in an organism’s internal or external environment that causes the organism to react

• production of offspring

• regulation of an organism’s internal environment to maintain conditions needed for life

• changes an organism undergoes in its lifetime before reaching its adult form

Tags

NGSS.MS-LS1-4

NGSS.MS-LS3-2

NGSS.MS-LS4-4

What is it called when an organism reacts to a stimulus, either internal or external?

• a reply

• a reaction

• a return

• a response

Which is an example of a stimulus and the accompanying response of an organism?

• An earthworm burrows into new, rich soil.

• A hawk grabs a branch to gain a perch.

• A rat scurries past, and a python strikes at it.

• A wildebeest crosses a river during migration.

Tags

NGSS.MS-LS1-8

Which helps maintain a dog’s homeostasis?

• hunting

• sleeping

• eating

• panting

Which should a scientist conclude about data that are inconsistent with the current, scientific understanding of amphibian reproduction? 

• The data are flawed and should be discarded or ignored.

• A new idea or theory should be devised to fit the new data.

• Inconsistencies in the data warrant further investigation.

• The data reflect the flaws in the current, scientific ideas.

Tags

NGSS.MS-PS1-2

Which defines a hypothesis? 

• educated guess

• observed inference

• accepted idea

• testable explanation