Sexual Reproduction

Question 1

What are the females gametes?

Answer 1

Egg cells

Question 2

What are the male gametes?

Answer 2

Sperm Cell

Question 3

What is the process where a sperm cell enters an egg cell, the nuclei fuse and a single fertilised egg cell is created that can grow into a new organism?

Answer 3

fertilisation

Question 4

What is the difference between internal and external fertiliation?

Answer 4

During internal fertilisation the male parent places a sperm cell inside a the female while during external fertilisation, the male and female gametes and released outside of the bodies of the animals

Question 5

When a cell is fertilised it divides by two again and again creating a ball of cells called an embryo which implants into the lining of the uterus in a process called implantation. The woman is now pregnant

Question 6

If both ovaries release an egg cell at the same time what will happen?

Answer 6

Non-identical twins will be produced

Question 7

When a fertilised egg cell divides in two but gets separated the cells can become embryos producing what?

Answer 7

identical twins

Question 8

The bag containing the embryo is filled with a fluid. What is the bag called and what is the fluid called?

Answer 8

The amnion and the amniotic fluid

Question 9

What does the placenta pass into the embryos blood?

Answer 9

Water, oxygen and food