use of biological resources (topic 5)

Question 1

pest control

Answer 1

Using pesticides or biology control to prevent insects eating the plants. Pesticides include fungicides, herbicides and insecticides.

Question 2

pest control advantages

Answer 2

• quick and efficient
• can kill entire populations

Question 3

pest control disadvantages

Answer 3

• organisms can develop resistance
• non-specific so kill other organisms
• bioaccumulation can make it toxic to others in the food chain
• have to continuously apply

Question 4

selective breeding

Answer 4

when humans choose which organisms to breed in order to produce offspring with a certain desirable characteristic.

Question 5

transgenic

Answer 5

transfer of genetic material from one species to a different species