Chapter 8

Question 1

What is an autotroph? Give Example.

Answer 1

Organisms that make their own food.

Grass- uses energy from the sun to produce food.

Question 2

What is a Heterotroph? Give example.

Answer 2

Organisms that obtain food by consuming other living things.

Mushrooms- obtain food by absorbing nutrients from decomposing organisms in the environment.

Question 3

Define Photosynthesis

Answer 3

Plants use the energy of the sun to convert water and carbon dioxide into high energy sugar molecules.

Question 4

What do ADP and ATP stand for?

Answer 4

ADP-Adenosine diphosphate

ATP-Adenosinetriphosphate

Question 5

What is the difference between ADP and ATP?

Answer 5

ADP has two phosphate groups.

ATP has three phosphate groups

Question 6

What is the fx of ATP in cells?

Answer 6

It releases and stores energy

Question 7

List 5 activities that require ATP?

Answer 7

Active Transport
Muscle contraction
Powers cilia and Flagella
Synthesis of Proteins
Response to Chemical signals on the cell surface

Question 8

What are the three parts of ATP?

Answer 8

5 carbon sugar called Ribose
Adenosine
3 Phosphate groups

Question 9

Write the equation for photosynthesis

Answer 9

6CO2+ 6H20+ sunlight+C6H120+602

Question 10

What are the reactants for photosynthesis?

Answer 10

Carbon dioxide + Water + Light