Sexual and asexual reproduction Flashcards
What does reproduction mean?
Reproduction means producing more of the same type of organism
What are the two types of reproduction
Sexual and asexual reproduction
What is sexual reproduction
Sexual reproduction involves two parents to create a new organism
Asexual reproduction
Is involves one parent and all offspring are genetic clones of that parent
What are egg and sperm cells known as
Egg and sperm cells are known as gametes
What is fertilization
The process of fusion to form a new cell
Describe the main Features of a sperm cell and an egg cell.
1: the egg is many times larger than the sperm.
2:the sperm has a head and a tail while the egg has egg membrane and cytoplasm
What is fertilization
Fertilization occurs when the nucleus of the egg and the nucleus of the sperm join or fuse together.
What is a fertilized egg called?
A zygote
What is internal fertilization?
In mammals, the eggs are fertilised inside the female. This is called internal fertilization.
What is external fertilization?
In fish both the sperm and eggs are released into the water, and the egg is fertilized outside the female’s body.
Label the woman’s reproductive organ
1: oviduct (where fertilization occurs)
2: ovary
3:uterus
4:vagina
Label a mans reproductive organs
1: bladder
2: glands(2 arrows)
3: sperm duct
4: testis
5: penis
6: urethra
What does the female reproduction do?
1: oviduct - where fertilization takes place
2:ovary- produces egg
3: uterus- area in which the embryo will grow
4: vagina- passage way to the outside
What does the male reproduction do?
1: Sperm duct- carries sperm from testes to the sperm
2: testis- produce sperm
3: penis- places the sperm close to the egg
4: uretha- carries the sperm and urine to the outside
