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SAVVAS Inv 12 Animal Systems Exam

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What is the term for a group of similar cells that work together to perform a specific function?

a)

Organ

b)

Tissue

c)

Organ System

d)

Neuron

2.

Which of the following best describes an organ?

a)

A group of tissues that work together to perform a specific function

b)

A single cell that performs a specific function

c)

A group of organs that work together to perform a specific function

d)

A system that maintains homeostasis

3.

What is an organ system?

a)

A group of cells that perform a specific function

b)

A group of organs that work together to perform a specific function

c)

A single organ that maintains homeostasis

d)

A feedback mechanism in the body

4.

Which term refers to the maintenance of a stable internal environment in an organism?

a)

Metamorphosis

b)

Homeostasis

c)

Symbiosis

d)

Cephalization

5.

What is feedback inhibition?

a)

A process where the end product of a reaction inhibits the reaction's continuation

b)

A process where cells divide uncontrollably

c)

A process where tissues form organs

d)

A process where neurons transmit signals

6.

Which of the following describes an exotherm?

a)

An organism that maintains a constant body temperature internally

b)

An organism that relies on external sources for body heat

c)

An organism that undergoes metamorphosis

d)

An organism that has a closed circulatory system

7.

What is an endotherm?

a)

An organism that maintains a constant body temperature internally

b)

An organism that relies on external sources for body heat

c)

An organism that undergoes metamorphosis

d)

An organism that has an open circulatory system

8.

Which term describes a close and long-term biological interaction between two different biological organisms?

a)

Homeostasis

b)

Symbiosis

c)

Metamorphosis

d)

Reflex

9.

What is the digestive tract?

a)

A series of organs responsible for breaking down food and absorbing nutrients

b)

A network of neurons that transmit signals

c)

A group of tissues that form the heart

d)

A system that maintains homeostasis

10.

Which organ is primarily responsible for gas exchange in the body?

a)

Heart

b)

Lungs

c)

Liver

d)

Kidneys

11.

What is the primary function of the heart?

a)

To filter waste from the blood

b)

To pump blood throughout the body

c)

To exchange gases with the environment

d)

To produce hormones

12.

What is an open circulatory system?

a)

A system where blood is contained within vessels at all times

b)

A system where blood is not always contained within vessels

c)

A system that only exists in endotherms

d)

A system that only exists in exotherms

13.

What is a closed circulatory system?

a)

A system where blood is contained within vessels at all times

b)

A system where blood is not always contained within vessels

c)

A system that only exists in exotherms

d)

A system that only exists in endotherms

14.

What is the function of the atrium in the heart?

a)

To pump blood out of the heart

b)

To receive blood entering the heart

c)

To exchange gases with the environment

d)

To produce hormones

15.

What is the function of the ventricle in the heart?

a)

To pump blood out of the heart

b)

To receive blood entering the heart

c)

To exchange gases with the environment

d)

To produce hormones

16.

What is a hormone?

a)

A chemical messenger produced by glands

b)

A type of neuron that transmits signals

c)

A group of tissues that form an organ

d)

A process of maintaining homeostasis

17.

What is metamorphosis?

a)

A process of maintaining a stable internal environment

b)

A biological process involving a significant change in form or structure

c)

A type of symbiotic relationship

d)

A reflex action

18.

What is a neuron?

a)

A cell that transmits nerve impulses

b)

A group of tissues that form an organ

c)

A chemical messenger produced by glands

d)

A process of maintaining homeostasis

19.

What is a stimulus?

a)

A change in the environment that elicits a response

b)

A type of neuron that transmits signals

c)

A group of tissues that form an organ

d)

A process of maintaining homeostasis

20.

What is a sensory neuron?

a)

A neuron that transmits signals from sensory receptors to the central nervous system

b)

A neuron that transmits signals from the central nervous system to muscles

c)

A neuron that produces hormones

d)

A neuron that maintains homeostasis