B5.1.2 - Sexual and asexual reproduction

Question 1

What is asexual reproduction?

Answer 1

Reproduction which only requires one parent

Question 2

What is sexual reproduction?

Answer 2

Reproduction which requires 2 parents

Question 3

What are the offspring for sexual reproduction?

Answer 3

There is variation in the offspring and they are not identical

Question 4

What is the offspring for asexual reproduction?

Answer 4

They are all genetically identical

Question 5

What are the advantages of asexual reproduction?

Answer 5

• Only one parent is needed so it is faster and large number of offspring is produced quickly
• If the parent is well adapted to an area the offspring will share an identical set of characteristics

Question 6

What are the disadvantages of asexual reproduction?

Answer 6

If there is an adverse change to biotic or abiotic factor it may destroy the species all organism will be affected

Question 7

What are the advantages of sexual reproduction?

Answer 7

• Variation in offspring leads to adaptations in a species. The organism which contain adaptations required to cope with an environmental pressure can reproduce and pass these on

Question 8

What are the disadvantages of sexual reproduction?

Answer 8

• It requires 2 parents to reproduce so it is slower than asexual and fewer offspring are produced

Question 9

What are the example of some animals that can reproduce asexually?

Answer 9

Sea anodes, star fish