HSC Biology

Question 1

what is asexual reproduction?

Answer 1

production of a new organism without the use of sex cells

Question 2

what is sexual reproduction?

Answer 2

sex cells join to create offspring

Question 3

what is the meaning of parthenogensis?

Answer 3

‘virgin birth’ - an unfertilised egg cell develops into an embryo without a male gamete

Question 4

what is internal fertilisation?

Answer 4

fertilisation that occurs in the body eg. humans

Question 5

what is external fertilisation?

Answer 5

fertilisation that happens outside the body eg. fish

Question 6

what are the three types of plant reproduction?

Answer 6

Budding
Spores
Binary Fission

Question 7

what is budding?

Answer 7

a form of sexual reproduction. A new organism develops from an outgrowth or bud due to cell division at a particular site

Question 8

what are spores?

Answer 8

a form of both sexual and asexual reproduction in plants. The parent plant send out tiny spores containing special sets of chromosomes and the plant grows from this away from the parent plant

Question 9

what is binary fission?

Answer 9

a form of a sexual reproduction when bacteria (for instance) copies its genetic material (DNA) then divides into two

Question 10

list some advantages of external fertilisation?