D3.3: Homeostasis

Identify the line in the table below which gives the correct responses of the skin to a drop in environmental temperature.

• A

• B

• C

• D

Tags

NGSS.HS-LS1-3

Which row is correct for insulin?

• A

• B

• C

• D

Tags

NGSS.HS-LS1-3

Which set of statements is true regarding homeostasis?

• I.It involves the maintenance of internal conditions despite changes in the external environment

• II.Homeostatic variables are kept constant

• III.Includes the regulation of body temperature, blood pH, blood glucose concentration, and blood osmotic concentration

• I only

• I and III only

• II and III only

• I, I and III

Tags

NGSS.HS-LS1-3

Which of the following best explains why insulin injections are necessary for individuals with type 1 diabetes?

• Their cells are unable to respond to insulin

• Their liver is unable to store glucose

• Their immune system destroys β-cells in the pancreas

• Their immune system destroys α-cells in the pancreas

Tags

NGSS.HS-LS1-3

NGSS.HS-LS3-2

Which statements are true of feedback mechanisms in an organism?

• I.Negative feedback acts to reverse a change

• II.An example of positive feedback is control of blood pH

• III.Only the nervous system is involved in the control of feedback mechanisms

• I only

• II only

• I and III only

• I, II and III

Tags

NGSS.HS-LS1-3