Ethics

Question 1

Ethical

Answer 1

A sense of eight or wrong in producing or obtaining the technology, based on moral beliefs

Question 2

Social

Answer 2

The influence of technology on society, rather than just one or two individuals

Question 3

Economic

Answer 3

The availability of funds to obtain or produce the technology

Question 4

Biological

Answer 4

The effect of a technology on other living organisms in a particular environment

Question 5

What are the energy forms most important to life on earth? (3)

Answer 5

• Sunlight
• Chemical energy stored in food
• Heat
  These are turned into usable forms of energy for cells and organisms

Question 6

What is Autotroph?

Answer 6

Autotroph :
- One of two useable form of energy
- Captures and uses light energy to convert water and carbon dioxide ( inorganic) into glucose (organic). —> this process is photosynthesis
- They then use the organic compounds they make for their structural and energy needs, like growing and reproducing

Question 7

What is heterotroph ?

Answer 7

• Convert energy stored in organic materials into energy that is stored in ATP (adenosine triphosphate ) —> this process is called cellular respiration

Question 8

Purpose of photosynthesis

Answer 8

• Photosynthesis is an anabolic chemical react in which the Sun’s light energy is used to convert the inorganic compounds carbon dioxide and water into the organic compound
• Glucose can then be used as a source of energy by cells, enabling growth and reproduction.
• Any excess glucose can be stored by plant cells in the form of starch, for later use

Question 9

Overview of photosynthesis

Answer 9

• Begins with the absorption of light energy by chlorophyll, found in chloroplasts
  The overall reaction
  : 6CO2