Stimulus Response

Many birds migrate long distances when the seasons change.

Which of the following is an environmental stimulus that would

signal to the birds the changing seasons?

• A Changes in the length of daylight.

• B Increase in the population of edible plants.

• C Decreased number of offspring per hatching event.

• D Increase in annual precipitation levels.

Tags

NGSS.MS-LS1-8

Which of the following is a response to smelling food?

• A Rapid blinking

• B Excessive sweating

• C Increased hunger

• D Sensitivity to sound

Tags

NGSS.MS-LS1-8

Pain is a stimulus in animals that leads to responses which help

the animal to –

• A find food in the habitat.

• B recuperate after exercise.

  .

• C avoid harmful situations.

• D fight serious infections

While sitting in a room, a person notices that the

temperature has become uncomfortably warm. The body will

respond by -

• A shivering.

• B sweating.

  .

• C twitching.

• D vomiting

A student in gym class wants to measure how much his heart rate

increases after sprinting 25 feet. The student records his resting

heart rate at 12 beats per 10 seconds. After the student sprinted

25 feet, he recorded his heart beat at 130 beats per minute.

Calculate the difference in the student’s heart rate (beats per

minute) from his initial steady state.

A predator chases a prey animal. The prey is likely experiencing

all of the following EXCEPT -

• A rapid heartbeat.

• B dilated pupils.

• C increased sweating.

• D onset of fever.

A plant growing in soil with a lack of water will -

.

• A grow away from the Sun.

• B produce more attractive flowers.

• C shut down the vascular system.

• D increase glucose production in the leaves

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4