What does oviparous mean in biology?
Oviparity, expulsion of undeveloped eggs rather than live young. The eggs may have been fertilized before release, as in birds and some reptiles, or are to be fertilized externally, as in amphibians and many lower forms.
What is oviparous and example?
Use the adjective oviparous to describe an animal that lays eggs. Birds and lizards are oviparous. A chicken is a good example of an oviparous animal, since females lay eggs and then keep them warm and safe until they hatch. In fact, all birds are oviparous, as are most fish, reptiles, and insects.
What is meaning of viviparous and oviparous?
Oviparous and viviparous are such two methods. This means oviparous animals lay eggs. These eggs develop and hatch into young individuals. In contrast, viviparous animals are born as live young individuals. Therefore, they do not lay eggs.
What is meant by oviparous fish?
In oviparous fish, females spawn eggs into the water column, which are then fertilized by males. For most oviparous fish, the eggs take less energy to produce so the females release large quantities of eggs. For example, a female Ocean Sunfish is able to produce 300 million eggs over a spawning cycle.
Is an example of an oviparous animal?
Oviparous animals look after their eggs after laying them. Some viviparous animals show parental care after birth, while others don’t. Examples of oviparous animals include frogs, snakes, lizards, hens, duck, fishes, shark, penguins, butterflies, octopus, etc.
What do you know by oviparous animals?
Oviparous animals are animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, most reptiles, and all pterosaurs, dinosaurs, birds, and monotremes.
What is oviparous animals give an example?
Do humans are ovoviviparous?
Viviparous organisms never lay eggs and that is how they are different from oviparous and ovoviviparous organisms. Examples of viviparous organisms are- cats, dogs, humans, etc. Hence, the correct answer is option (D).
What is the meaning of the word oviparous?
oviparous. ( əʊˈvɪpərəs) adj. (Zoology) (of fishes, reptiles, birds, etc) producing eggs that hatch outside the body of the mother. Compare ovoviviparous, viviparous 1. oviparity n.
How does an oviparous animal produce an egg?
An oviparous animal is one that produces eggs, and the young hatch after being expelled from the body. While fertilization of the egg can occur internally or externally, oviparous animals always hatch their young outside of their body. Many amphibians, birds, fish and reptiles are oviparous and often make nests to protect their eggs.
What are the downsides of being an oviparous animal?
Much like the other reproductive strategies, being oviparous has its downsides as well. Unlike viviparous and ovoviviparous animals which carry their developing young with them, oviparous animals must protect or hide their eggs for the duration of development.
What kind of animal has no wings and is oviparous?
It is an insect which has no wings, and the female is oviparous. All birds and all insects that fly are oviparous, excepting some kinds of flies which bring forth their young alive. Fleas are oviparous, and undergo a very complete metamorphosis. It is an oviparous animal,…
What kind of animals are oviparous or viviparous?
1) Ants. The ant is an insect that belongs to the list of cold-blooded oviparous animals. 2) Bees. After fertilization, the female stores the sperm and thus controls how many eggs she will fertilize. 3) Crocodiles. This large reptile deposits clusters of eggs after digging a hole in the sand, and can also build nests using vegetation. 4) Sparrows. 5) White storks.
What is the advantage of viviparous?
Another important benefit of viviparity is the ability to reproduce at any time of the year. Unlike oviparous animals, which must produce yolk sacs when their food intake is the highest, viviparous animals can nourish their young with fat reserves. This allows viviparous animals to mate any time they get a suitable interaction.
What are the advantages of oviparous animals?
After releasing the egg, oviparous animals are able to continue with daily chores including feeding and locomotion. There is no space constraint hence litter size is not affected. The third advantage is that net reproduction is high since there is no delay in bringing forth young ones before the next group of offspring is brought forth.
What are some examples of viviparous animals?
- Whale: the pregnancy of an animal like this can last up to a year.
- Bear : the pregnancy of this wild animal can last up to 8 months.
- Pig : the gestation period of this farm animal is around 110 days.
- Horse: these animals have a pregnancy that lasts about 11 or 12 months.
- this ruminant is about 280 days pregnant.