Stimulus

something that causes a response is called a

• response

• stimulus

• touch

• survival

Tags

NGSS.MS-LS1-8

What type of stimuli originate in the environment around an organism?

• external

• internal

Tags

NGSS.MS-LS1-8

Hunger, thirst, fever or vomiting are what type of stimuli?

• external

• internal

Tags

NGSS.MS-LS1-8

When roots of a plant grow downward in response to the stimulus of gravity it is called...

• phototropism

• geotropism

• thigmotropism

• homeostasis

What is a thing or event that causes a specific reaction?

• response

• stimulus

• cell

• development

What are the two types of stimuli?

• Internal and External

• Learned and Instinct

• Internal and Instinct

• External and Learned

Tags

NGSS.MS-LS1-8

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

• A wildebeest crosses a river during migration.

• An earthworm burrows into new, rich soil.

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

• A hawk grabs a branch to gain a perch.

Tags

NGSS.MS-LS1-8

A change in the environment is a ​ ​ (a)   , the way an organism reacts is a ​ (b)   .

• stimulus

• response

• cell

• spontaneous generation

• species

• homeostasis

when an organism is attracted to a stimulus it is called

• positive response

• negative response

• ignored

Tags

NGSS.MS-LS1-8

When an organisms response is to avoid a stimulus it is...

• positive

• negative

• ignored