How do sponge excrete?

How do sponge excrete?

Respiratory organs are lacking in sponges; oxygen is supplied by a direct exchange between the tissues and the surrounding water. Excretion occurs through both the oscula and the surface of the sponge. Special amoebocytes disintegrate in the mesohyl, and their granules are expelled through the canals.

How do sponges perform respiration circulation and excretion?

Sponges are a type of aquatic animal whose body is covered in tiny pores called ostia. The ostia allow water, oxygen, and other nutrients to flow into the sponge’s body, and for waste products like ammonia and carbon dioxide to exit their body. The respiratory system of a sponge is based on the process of diffusion.

What are the 2 ways sponges feed?

Blobs of living jelly cells are found among the spikes. These jellylike cells digest and distribute food, carry away wastes, and form sperm or egg cells. Sponges feed by straining food particles from water. As water enters a sponge, Page 2 it carries tiny organisms such as bacteria and protists.

Do sponges excrete waste?

Sponges use the water current and the process of diffusion to absorb oxygen from the water and to get rid of their metabolic waste products.

Do sponges have an excretory system?

Sponges do not have distinct circulatory, respiratory, digestive, and excretory systems – instead the water flow system supports all these functions. They filter food particles out of the water flowing through them.

How do sponge get their food?

In order obtain food, sponges pass water through their bodies in a process known as filter-feeding. Water exits through larger pores called excurrent pores. As it passes through the channels and chambers inside the sponge, bacteria and tiny particles are taken up from the water as food.

What process allows respiration excretion and internal transport to happen in a sponge cnidarian?

Cnidarians respire and eliminate the wastes of cellular metabolism by diffusion through their body walls.

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.