Is phylum porifera a hermaphrodite?

Is phylum porifera a hermaphrodite?

Porifera is the phylum of organisms commonly known as sponges and is capable of both sexual and asexual reproduction. Sponges are hermaphroditic, meaning they are capable of producing both eggs and sperm, and engage in seasonal spawning events.

Are sponges hermaphroditism?

Sponges are generally hermaphroditic (that is, having male and female germ cells in one animal); however, some sponge species are sequential hermaphrodites (that is, having male and female germ cells that develop at different times in the same animal).

Are sponges hermaphroditic or Gonochorist?

However, it was demonstrated that oviparous sponges are chiefly gonochoric, but viviparous (brooding) sponges chiefly are hermaphrodites.

Why sponges are considered as hermaphrodite?

-Sponges can reproduce both sexually and asexually, it can reproduce sexually by forming gametes and asexually by the Fragmentation process or by budding and gemmule formation. Option A: Sponges are Hermaphrodite because the male and female gametes are produced by the same sponge. Therefore, this is the correct option.

Is Cnidarian a hermaphrodite?

Yes, majority of Cnidarians that reproduces sexually have both sexes present in the same orgainsm that is they are hermaphrodite. For example, organism of class Hydrozoa like Hydra is hermaphrodite.

Do sponges reproduce?

Sponges reproduce both asexually and sexually. Asexual reproduction occurs by budding. Figure below shows the sponge life cycle when sexual reproduction is involved. Adult sponges produce eggs and sperm.

Do sponges have Blastula?

In most sponges for which developmental patterns are known, the fertilized egg develops into a blastula, which is released into the water (in some species, release takes place right after fertilization; in others, it is delayed and some development takes place within the parent).

How do sponge reproduce?

Sponges reproduce both asexually and sexually. Asexual reproduction occurs by budding. Sponges may also reproduce asexually. Sperm are released into the surrounding water through the osculum.

Can sponges change gender?

Many sponges are hermaphroditic, others never change sexes in their whole life. Still others alternate once or many times between being male and female. Unlike every other animal, sponges don’t have organized gonads. Instead, sperm are produced in and float around in the sponge’s innards (called the mesohyl).

What type of reproduction is sponges?

Are sponges unisexual?

Sponge: Members of phylum porifera are commonly called sponges. These organisms do not have separate sexes i.e. these are bisexual. Since, all the organisms given in the question are bisexual, i.e. none of these organisms is unisexual. Hence, the correct answer is option (E).

How do phylum Cnidaria reproduce?

Reproduction of Cnidarians In general, polyps primarily reproduce asexually by budding, however, some produce gametes (eggs and sperm) and reproduce sexually. Medusae usually reproduce sexually using eggs and sperm. The planula then develops into a polyp that can reproduce either sexually or asexually.

What is the phylum of Porifera?

Porifera, a phylum that belongs to the Kingdom Animalia and is commonly known as sponges. The sponge or poriferans, named from Latin porus to “pore” and ferre to “bear”, believed that they are the simplest animals on the earth because they do not have true tissues such as muscles, nerves, and internal organs.

What are the uses of Porifera?

The members of the phylum Porifera are used commercially for cleaning or bathing sponges. ii. They help to clean up the ocean floor by boring into dead shells and corals releasing chemicals to break them down. iii.

What is the lowest phylum in kingdom Animalia?

Phylum Porifera are the lowest multicellular animals belonging to the kingdom Animalia. The word “Porifera” mainly refers to the pore bearers or pore bearing species. Based on the embryological studies, sponges are proved as animals and are classified into a separate Phylum in the animals This phylum includes about 5000 species.

What is the life cycle of Porifera sponges?

Porifera Life Cycle. The life cycle of a sponge is a relatively simple one. Sponges can reproduce sexually and asexually. There are many sponge species in which each sponge is considered male and female. When it comes to sexual reproduction, a sponge can play either role.