KA3- Reproduction

Question 1

Gametes

Answer 1

Sex cells
Haploid
1 set of chromosomes

Question 2

Female gamete in animals

Answer 2

Egg
Larger than sperm because contains nucleus and food in the nucleus

Question 3

Male gamete in animals

Answer 3

Sperm
Head region contains the nucleus
Tail enables it to nove

Question 4

Female in humans

Answer 4

Ovary
Egg cells produced
Oviduct carries egg cells to uterus from ovaries - site of fertilisation
Contains: oviduct, uterus, ovary, vagina

Question 5

Make in humans

Answer 5

Testes - Site of stern production
Contain: urethra, penis, sperm duct, testes

Question 6

Sexual intercourse in humans

Answer 6

Sperm swim up into oviduct where fertilisation takes place
Fertilisation happens when nucleus of egg cell fuses with nucleus of sperm cell to form a diploid a zygote which then divides to form and embryo

Question 7

What is responsible for sexual production in plants

Answer 7

The flower of plants
Contain both male and female organs
Produce the male and female sex cells

Question 8

Male gamete in plants

Answer 8

Pollen grain
Produced in anther

Question 9

Female gamete in plants

Answer 9

Ovule
Produced in ovary

Question 10

When does fertilisation occur in plants

Answer 10

Nucleus of pollen grain joins with nucleus of ovuke

Question 11

Parts of plant

Answer 11

Petal
Anther ( top circle yellow pollen thing)
Filament ( below anther)
Ovule (green circle at the kinda start of the petals inside stem)
Sepal (leave on stem)
Nectary (leave coming our bottom of plant)
Ovary (above ovule)
Stigma ( top of stem inside petal)