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Fertilisation - Coggle Diagram
Fertilisation
Internal
Environment
Enclosed in female body
stable temperature
nutrients
less chance of
Gametes
Male gamates released inside female
large quantity of sperm cells
Contraception Mechanisms
Male sperm inserted into female uterus
fertilised
Higher success rate of fertilisation
Number of offspring
smaller then external,
higher survival rates
External
Gametes
require sperm and ova
Large quantity
Female and Male
Environment
vulnerability factors
predation
weather
temperature
natural disturbances
Contraception Mechanisms
simultaneous gamete release
lower chance of fertilisation
occurs within an open environment
Number of offspring