b2

Question 1

What is fertilisation

Answer 1

fertilisation is joining of genetic material in a sperm and an egg

Question 2

What is puberty?

Answer 2

puberty causes changes to the body to get ready for reproduction, in girls a growth spurt, pubic hair, breasts grow, menstrual cycle starts hips widen. For boys, a growth spurt, pubic hair, voice deepens sperm production starts, sex organs grow.

Question 3

describe the menstruation cycle

Answer 3

menstruation cycle lasts 28 days and it’s when the lining of the uterus comes away lasting about five days .the role of the menstruation cycle is to prepare a woman’s body pregnancy.

Question 4

What is ovulation

Answer 4

ovulation is when a egg leaves the ovary on day 14 if a woman becomes pregnant the baby will develop inside the uterus

Question 5

how is the baby supported when in the womb

Answer 5

The baby is surrounded by amniotic fluid inside the uterus, cushion it and protect it. It is supplied with oxygen and nutrients through the placenta and umbilical cord and also removes the babies waste.

Question 6

how pregnancy last

Answer 6

9 months

Question 7

what happens during labour

Answer 7

during labour the muscles in the walls of the uterus contract to help push the baby out through the cervix and vagina.

Question 8

Petal

Answer 8

The pedal attracts insects to the plant

Question 9

anther

Answer 9

The anther produces pollen
and is a male sex cell

Question 10

filament

Answer 10

The filament holds up the anther so that the pollen is rubbed onto visiting insects

Question 11

stigma

Answer 11

The stigma is part of the female reproductive organs where the pollen lands

Question 12

style

Answer 12

The style hold the stigma up and connects it to the ovary

Question 13

ovary

Answer 13

The ovary contains the ovals which are female sex cells

Question 14

what is pollination

Answer 14

pollination is the transfer of pollen from one flowering plant to another. It can be done by wind and insects

Question 15

what happens in flower reproduction

Answer 15

flower reproduction, pollen fertilises eggs which then develop into seeds and dispersed in a variety of ways, including wind, animals and water.

Question 16

what is asexual reproduction

Answer 16

asexual reproduction only requires one parent and there is no mixing of genetic information micro organisms use a sexual reproduction.

Question 17

How are microorganisms grown

Answer 17

Using a nutrient agar