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I presume you refer to the ovum which is produced and fertilized internally. A bird's or reptile's egg is much larger because most of it is food to nourish the developing embryo. A placental mammal doesn't need to provide this because the young are nourished through the placenta as they develop inside the mother.
What else can I help you with?
Why the eggs of viviparous animals are very small in size?
Size of egg depends upon size of yolk in egg . Amount of yolk is related to type of development . As development takes place inside body of females in viviparous animals and placenta provides food and materials for development hence there is no need for large egg in viviparous mammals. Human egg is of size of a period .
How big are the eggs of stick insects?
the size of small seeds the size of small seeds
Do Hummingbird lay eggs?
Yes..The eggs are about the size of a small pea.
What size are polish frizzled chicken eggs?
Polish eggs are usually fairly small - about the size of a dual purpose pullet egg.
How do hedgehog eggs differ from the eggs of other animals in terms of size and appearance?
Hedgehog eggs are smaller and have a rounder shape compared to the eggs of other animals. They are typically white or pale in color and have a hard shell.
What is a small game?
rabbits other animals small in size
Why the size of ova is small?
The size of ova (eggs) is small because they need to be small enough to be transported easily in the female reproductive system and to be fertilized by sperm. Additionally, a smaller size allows for more eggs to be produced during the reproductive cycle.
What are some examples of animals that are small but strong?
Some examples of small but strong animals include ants, dung beetles, and hummingbirds. These animals may be small in size, but they possess impressive strength relative to their body size.
Information on the maximum no of eggs can be laid at a time by different animals?
The number of eggs that can be laid by any animal differs based on the size. Generally larger species will lay less eggs than smaller animals.
What is the typical size and color of starling eggs?
Starling eggs are typically small and pale blue or green in color.
What are small animals?
obviously, these are animals that are small in size... -wEndy
What does a platypus lays eggs like?
Platypus eggs are very small. They are just a couple of centimetres in size - about the size of a grape. They average 11 mm in diameter. They are small, smooth and leathery, unlike birds' eggs, which are hard-shelled. They weigh just a few grams.
