9.1 Homeostasis Responding to Change

Question 1

What is homeostasis?

Answer 1

Maintenance of a constant internal environment, mediated by feedback systems

Question 2

What is a catabolic reaction?

Answer 2

Chemical reaction where large molecules are broken down into smaller ones. This usually stimulates the release of energy (ATP)

Question 3

What is an anabolic reaction?

Answer 3

Chemical Reaction where large molecules are built up. This typically involves an input of energy.

Question 4

What is the tolerance range of an organism?

Answer 4

The range where a particular organism can survive.

Question 5

Provide an example of an anabolic reaction:

Answer 5

The production of glucose during photosynthesis

Question 6

Provide an example of an anabolic reaction:

Answer 6

The production of glucose during photosynthesis

Question 7

Describe the role of homeostasis

Answer 7

Ensuring that all metabolic reactions in the body occur at a rate where the organism can survive.

Question 8

What is a stimulus?

Answer 8

Change in an organism’s environment that brings about a response

Question 9

What is a receptor?

Answer 9

A group of cells that receives stimuli

Question 10

What is the order of the stimulus response organism?