Why do some animals lay hundreds of eggs at a time?

Animals like frogs and fish lay hundreds of eggs and release millions of sperms. But the entire eggs do not get fertilized and develop into new individuals. Thus, production of large number of eggs and sperms is necessary to ensure fertilization of at least a few of them.

Which animal lays the most eggs at one time?

A tailess tenrec (Tenrec ecaudatus) in Madagascar. Insects are no slouches when it comes to reproduction and the African driver ant, which can produce 3 to 4 million eggs every 25 days, is thought to be the most generous of all.

Why do fish lay a large number of eggs at a time?

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.

Why do some animals lay eggs in large numbers Class 4?

Some animals give eggs in large number because they know that there are many predators that would eat a lot of their eggs. So, to continue their species’ race they lay eggs in large quantities.

Why do hen lays only one egg at a time?

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 few eggs?

Explanation: Some animals give eggs in large number because they know that there are many predators that would eat a lot of their eggs. So, to continue their species’ race they lay eggs in large quantities.

Do animals that lay eggs get pregnant?

No. Because birds have an oviduct not a uterus, and the definition for any animal being pregnant is “having young developing in the uterus”.

Why do animals that crawl lay eggs Class 3?

The animals that crawl are usually lower animals and as a result of this they lay eggs. Explanation: this is also important because such animals need to give protection to the eggs which are much easier for them than to give birth to a young one. This is because of the size of such organisms.

Why do some animals lay few eggs?

Originally Answered: Why do some animals lay less eggs? It all depends on the species and how they’re adapted to survive. For instance, most raptors (such as eagles and hawks) lay a single egg or two because they have very large babies who need a lot of meat.

How are egg laying animals different from animals that give birth to babies Class 4?

How ever the animals who give birth a young one are called viviparous or primate mamals.In case of egg laying animals embryonic development occurs outside of the body,but in viviparous animal it occurs inside the body. Birds are oviparous and human and other animals are viviparous.

Why do female frog lay hundreds of eggs?

Answer : The female frogs (or female fish) lay hundreds of eggs because there are fewer chances of surviving in that environment, so from 100 even if 5-10 survive, their species will survive.

Why do fishes and frogs lay more number of eggs?

Answer : External development of young ones occurs in case of frog and fish due to which its protection from the surrounding decreases. So to cope up with the loss they lay more no. of eggs because not many have a chance to survive.