Why do frog produce thousands of eggs?

As the chance of fertilization is nature dependant i.e it depends on the movement of water for the sperm to come in contact with the egg. Thus the fish and frog produce a huge number of eggs each year to overcome the chance factor(sperm to come in contact with egg) and produce offsprings.

Why do most amphibians lay their eggs in water?

Amphibians have soft, generally moist skin without scales. Their eggs do not have shells and so they must be laid in water or a damp environment to keep from drying out. Amphibians go through a two-stage life cycle: 1) when an amphibian hatches, it is in a gilled larval form.

Why do frogs lay 100 eggs?

Compared to hens, fish and frogs lay hundreds of eggs because: – In Fish and Frogs, external fertilization occurs. – In the external medium (water), the male releases a large number of gametes while the female parent lays a large number of eggs.

Why do frog lay so many number of eggs?

Frogs laid so many eggs in water to make sure that enough eggs reach to the morality & adulthood . because they are lowers in food chain & also have so may enemies in water & on land also . So to ensure for new generation they laid high number of eggs .

Why do frogs lay eggs in large amount?

Answer. Amphibians generally lay large number of eggs. Often, many adults lay eggs in the same place at the same time. This helps to ensure that eggs will be fertilized and at least some of the embryos will survive.

Why do frogs lay eggs in hundreds whereas a hen lays only one egg at a time?

Hence, very few new frogs are produced. Whereas, in case of a hen, internal fertilization takes place and hence the survival of the baby which would hatch from the egg has much higher rates of survival as compared to those in case of a frog. Hence, hen produces only one egg.

Why do some animals lay a lot of eggs?

The findings add depth and complexity to previous research that has shown short-lived species — ones that face high predation or have low survival rates among offspring — tend to lay more eggs than longer-lived species, which invest more resources in raising their offspring.

Why do animals that lay eggs?

The reason that some animals lay eggs is because that is more beneficial to them than than it is to give birth to a live offspring. Birds, for example, all lay eggs because they can’t fly with the weight of their babies inside of them.

Why frogs lay more eggs than hen?

Answer Expert Verified

YES, fish and frog produce a huge number of eggs compare to hens because of the following reasons: 1)External fertilization occurs in fish and frog. 2)The females lays a vast number of eggs in water & males releases some millions of sperms on to them.

Why do you think it is necessary for frogs and fishes to lay so many eggs Class 8?

Answer: Yes, it is necessary for frogs and fishes to lay large number of eggs because they are exposed to the external environment that may destroy many eggs. Hence, laying eggs in a large number promote fertilisation and also increase the chances of survival of at least few of the fertilised eggs.

Why do amphibians and fish lay hundreds of eggs?

This is because the eggs and sperms get exposed to water movement, wind and rainfall. Also, there are other animals in the pond which may feed on eggs. Thus, production of large number of eggs and sperms is necessary to ensure fertilization of at least a few of them.

Why do humans not give birth to as many babies as frogs do?

frogs reproduces more because there is one father but the number of mothers are more because there could be any number of females that can be fertilized whereas in humans internal fertilization takes place so the sperm can only fertilize one egg.

Why fish lay so many eggs?

fish lays thousands of eggs because some of them are eaten by big animals and some of them don’t get enough Oxygen and some more things that they can’t grow , So fish has to lay many Eggs so that so of them becomes a new one.