Animal Response to Stimuli

A crocodile quietly stalks its prey, a wildebeest, drinking at a water hole.  The wildebeest suddenly sees the crocodile approaching.  The wildebeest's body responds by -

• shedding thick fur
• blinking rapidly
• increasing the heart
• requiring more food

Which of the following is a change that the body will undergo to prepare for fight or flight in response to a stressful stimulus?

• less blood to the brain
• sweating decreases
• heart rate increases
• muscles relax

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

Which of the following is a response to smelling food?

• rapid blinking
• excessive sweating
• increased hunger
• sensitivity to sound

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

When an animal is thirsty, it responds by -

• eating food.
• blinking rapidly.
• sweating excessively.
• drinking water.

Which of the following is a response of the body when infected with a virus?

• decreased heart rate
• craving salty foods
• blood diverted to muscles
• increased body temperature

Stunted growth of a person can be caused by not meeting basic survival needs can be a response to-

• overexposure to sunlight
• lack of nutrients in diet
• eating a plant-based diet
• living in a hot climate

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

When an animal is infected with a virus, the body responds by creating conditions that are not favorable for the virus.  It does this by - 

• creating a sensation of hunger
• raising the core body temperature
• increasing sensitivity to sound
• inhibiting the sense of balance

Tags

NGSS.HS-LS1-3

Which is the best response when harmful bacteria enter the body?

• The endocrine system would filter out the bacteria.
• The digestive system would release more enzymes to digest the bacteria as food.
• The nervous system would signal the body to vomit or increase the body temperature.
• The respiratory system would reduce the exchange of gases to increase the level of carbon dioxide in the blood.