7.13AB External and Internal Stimuli

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?

• Changes in the length of daylight.

• Increase in the population of edible plants.

• Decreased number of offspring per hatching event.

• Increase in annual precipitation levels.

Tags

NGSS.MS-ESS1-1

Which of the following is a response to smelling food?

• Excessive sweating

• Rapid blinking

• Increased hunger

• Sensitivity to sound

Tags

NGSS.MS-LS1-8

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

• find food in the habitat.

• recuperate after exercise.

• avoid harmful situations.

• fight serious infections.

Tags

NGSS.MS-LS1-8

While sitting in a room, a person notices that the temperature has become uncomfortably warm. The body will respond by -

• shivering.

• sweating.

• twitching.

• vomiting.

Tags

NGSS.MS-LS1-8

A predator chases a prey animal. The prey is likely experiencing all of the following EXCEPT -

• rapid heartbeat.

• dilated pupils.

• increased sweating.

• onset of fever.

Tags

NGSS.MS-LS1-8

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

• grow away from the Sun.

• produce more attractive flowers.

• shut down the vascular system.

• increase glucose production in the leaves.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which of the following is a likely cause of vomiting?

• Ingesting spoiled food

• Cold temperatures

• Lack of water

• Excessive sunlight

Tags

NGSS.MS-LS1-7