Animal responses 1

Question 1

What is the main function of the nervous system in animals?

Answer 1

To coordinate and control body activities by transmitting signals between different parts of the body.

Question 2

True or False: The central nervous system consists of the brain and spinal cord.

Answer 2

True

Question 3

Fill in the blank: The __________ is responsible for processing sensory information and making decisions.

Answer 3

brain

Question 4

What are the two main divisions of the nervous system?

Answer 4

Central nervous system and peripheral nervous system.

Question 5

What is a reflex action?

Answer 5

An involuntary and immediate response to a stimulus.

Question 6

Multiple Choice: Which part of the neuron receives signals from other neurons? A) Axon B) Dendrite C) Synapse D) Myelin

Answer 6

B) Dendrite

Question 7

What role do neurotransmitters play in the nervous system?

Answer 7

They are chemicals that transmit signals across the synapse from one neuron to another.

Question 8

True or False: The autonomic nervous system controls voluntary muscle movements.

Answer 8

False

Question 9

What is the function of the somatic nervous system?

Answer 9

It controls voluntary movements and transmits sensory information to the central nervous system.

Question 10

Fill in the blank: The __________ nervous system regulates involuntary bodily functions such as heart rate and digestion.

Answer 10

autonomic

Question 11

What is the difference between sympathetic and parasympathetic nervous systems?

Answer 11

The sympathetic nervous system prepares the body for ‘fight or flight’ responses, while the parasympathetic nervous system promotes ‘rest and digest’ functions.

Question 12

Multiple Choice: Which of the following is NOT a type of muscle tissue? A) Cardiac B) Smooth C) Epithelial D) Skeletal

Answer 12

C) Epithelial

Question 13

What is the role of hormones in animal responses?

Answer 13

Hormones are chemical messengers that regulate physiological processes and can influence behavior.

Question 14

True or False: Animals can respond to their environment through both nervous and hormonal responses.

Answer 14

True

Question 15

What is homeostasis?

Answer 15

The process by which living organisms maintain a stable internal environment despite external changes.

Question 16

Fill in the blank: __________ is a type of movement in animals that occurs in response to an environmental stimulus.

Answer 16

Taxis

Question 17

What is the primary function of the hypothalamus in the brain?

Answer 17

To regulate homeostasis and control the autonomic nervous system.

Question 18

Multiple Choice: Which type of sensory receptor is responsible for detecting light? A) Mechanoreceptor B) Photoreceptor C) Chemoreceptor D) Thermoreceptor

Answer 18

B) Photoreceptor

Question 19

What is the significance of the fight or flight response?

Answer 19

It prepares the body to react quickly to perceived threats.

Question 20

True or False: All animal responses are conscious and voluntary.

Answer 20

False

Question 21

What is a stimulus?

Answer 21

Any change in the environment that elicits a response from an organism.

Question 22

Fill in the blank: __________ is the term for the gradual change in an animal’s behavior due to repeated exposure to a stimulus.

Answer 22

Habituation

Question 23

What is the role of the spinal cord in reflex actions?

Answer 23

It acts as a conduit for signals between the brain and the body and can process reflex responses independently.

Question 24

Multiple Choice: Which of the following is a response to a stimulus? A) Sleeping B) Eating C) Shivering D) All of the above

Answer 24

D) All of the above

Question 25

What is the term for the movement of an organism towards or away from a stimulus?

Answer 25

Taxis

Question 26

True or False: Reflex actions involve the brain in every case.

Answer 26

False