2.3 reproduction

Question 1

i can describe the gametes in an animal (male)

Answer 1

speed (male) sperm have a head and tail they are designed to swim towards the egg. the head is torpedo shaped to make it streamlined and the first part of the tail is packed with micochonfria to provide energy for aerobic respiration for the sperm to swim

Question 2

everything you know abou female eggs

Answer 2

females have egg gametes they are much larger than mens (500x) they contain a food store in the cytoplasm to provide energy for the process of mitosis if fertilisation occurs

Question 3

sites of gamete production

Answer 3

sperm - testes
egg- ovaries

Question 4

definition of fertilisation

Answer 4

the fusion of the male gamete/ sperm nucleus with the female gamete/ egg nucleus to form a fertilised egg/zygote

Question 5

haploid

Answer 5

single set of chromosomes (egg and sperm) n=23

Question 6

diploid

Answer 6

double set of chromosomes
zygote made by mitosis
2n=46

Question 7

gamete in plants

Answer 7

male - pollen
female- ovule

Question 8

site of gamete production in plants

Answer 8

male gametes are produced in the anthers of the stamen

female gametes are produced in the ovary