Question

Teacher told in the class that there are some animals in which external fertilization occurs. Which of the following example is correct?
1. buffalo
2. dog
3. frog
4. cat​

Answer 1

Answer:

frog

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Answer 2

There are some animals in which external fertilization occurs.

• Fertilization is indeed the phenomenon of sperm and egg fusing to generate a zygote. Internal & external fertilization are the two forms of fertilization.

• External fertilization occurs on the outside of a woman's body. When a male and female animal get close to each other, the female imputes a great number of eggs. These eggs are usually fragile, so a jelly covering binds them together and protects them.

• Now the male will deposit sperm, which will individually travel through the water to achieve the egg. Fertilization happens when both the egg and also the sperm fuse together. External fertilization is indeed a typical occurrence in aquatic animals like fish.

• External reproduction is also carried out by frogs. A frog's eggs and sperm are discharged into the water. A frog's larval phase occurs in water, whereas the adult stage takes place on land.

               As a result, the correct answer is 'Fish and frog.'