Lesson 11 - Selective Breeding

Question 1

What is natural selection?

Answer 1

Natural selection is basically animals evolving to their surroundings.

Question 2

What is bioaccumulation?

Answer 2

If one plant is toxic, then the primary consumer will be double the amount, and the secondary consumer will be even more etc.

Question 3

What are the advantages of using fertilisers?

Answer 3

• organic ones don’t do much harm
• plants are less likely to be malnourished
• help plants grow
• save time

Question 4

What are the disadvantages of using fertilisers?

Answer 4

• artificial fertilisers could get washed away into water (eutrophication)
• could potentially damage the soil
  Etc.

Question 5

What is selective breeding?

Answer 5

Selective breeding involves selcting specific organisms with good characteristics to breed together, with the hopes that the offspring will have those characteristics.

Question 6

True or false - organisms are bred selectively based on their characteristics?

Answer 6

True

Question 7

True or false - selective breeding can be done with organisms from different species?

Answer 7

False - it must be with the same species.

Question 8

Name some organisms (plants and animals) that have been selectively bred.

Answer 8

• cabbage
• kale
• broccoli
• brussel sprouts
• cauliflower
• sugarcane
• cats
• camels
• dogs
• rabbits
• fruits
  Etc…

Question 9

What do genes control?

Answer 9

Genes control the production of proteins.

Question 10

What does genetic engineering allow to happen between organisms?

Answer 10

It allows scientists to transfer genes between organisms.