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In external fertilisation not all eggs are fertilised why not?
Because - external fertilisation is 'left to chance'. There's no guarantee that every egg laid will be fertilised by sperm. Internal fertilisation is much more successful.
What is the difference between internal and external fertilisation in animals?
Internal fertilization is like animals having sex....the egg is fertilized on the inside. External is when the egg is fertilized on the outside (like when frogs lay eggs and they need to be fertilized before they can hatch).
Differentiate between internal and external fertilization?
Internal fertilization occurs inside the female's body, where sperm fertilizes the egg, while external fertilization occurs outside the body, usually in water, where eggs are fertilized by sperm. Internal fertilization is common in land-dwelling animals, while external fertilization is common in aquatic animals. Additionally, internal fertilization provides better protection for the developing embryos compared to external fertilization.
Why do fishes use external fertilisation?
Mainly fishes are living in water and they are not having the proper fertilization system in side its structure, so they prefer external fertilization process.
Are whales reproduction internal or external?
Marine mammals have internalized genitalia for streamlining.
What animals go through external fertilisation?
A toad goes through external fertilisation/fertilization
Which animals use external fertilisation?
spiders
What animals have external fertilisation?
Ants, beetles, fish and frogs are the main ones.
What are the 2 kinds of fertilization?
The 2 fertilisation's are external fertilisation, or internal fertilisation. External fertilisation is the type frogs do.
Does a chicken carry out external fertilisation or internal fertilisation?
internal
What two classes of vertebrate use external fertilisation?
what two classes of vertebrates use external fertilisation
What animals do external fertilisation?
External fertilization takes place when the sperm and egg meet outside the body. Animals that use external fertilization as a means of reproduction include salmon, stony coral, and many species of reptiles.
Where do eggs and sperm meet in external fertilisation and internal fertilisation?
Yes
What are advantages ofinternal fertilisation over external fertilisation?
this is poo if it can t answer this question
Give example of external and internal?
internal is in and external is out fertilisation
Which 3 animals do external fertilisation?
1:crab 2:beetle 3:ant To be more specific, a toad, salmon or a frog.
In external fertilisation not all eggs are fertilised why not?
Because - external fertilisation is 'left to chance'. There's no guarantee that every egg laid will be fertilised by sperm. Internal fertilisation is much more successful.
