Sponge

Sponges are animals that belong to the phylum Porifera, which means "pore-bearing" in Latin.
They are known for having many pores and channels in their bodies that allow water to flow through them.
Sponges filter the water to get food and oxygen, and remove wastes.
Sponges are also known for being very simple and primitive animals, without true tissues, organs, or nervous systems.
They are mostly sessile, meaning they stay attached to a surface and do not move around.
Sponges are found in all kinds of aquatic habitats, from freshwater lakes to deep-sea vents.
Sponges are very diverse in their shapes, sizes, and colors.
Some sponges have skeletons made of spicules, which are hard needle-like structures of calcium carbonate or silica.
Other sponges have skeletons made of spongin, which is a flexible protein.
Some sponges have symbiotic relationships with photosynthetic microorganisms, which produce food and oxygen for them.
Some sponges are even carnivorous, and prey on small animals.
Sponges are among the oldest and most ancient animals on Earth, and have been around for more than 500 million years.
They are considered to be the sister group of all other animals, meaning they share a common ancestor with them.
Sponges are important for the marine ecosystem, as they provide habitats and food for many other organisms.
Sponges are also useful for humans, as they have been used for bathing, cleaning, and medicine.
Sponges have also inspired many scientific discoveries and innovations, such as nanotechnology, biotechnology, and biomimicry.

Sponges are aquatic animals that belong to the phylum Porifera, meaning 'pore bearer'.
They have bodies full of pores and channels that allow water to circulate through them.
Sponges can be found in a variety of habitats, ranging from shallow intertidal areas and coral reefs to the deep sea.
They are mostly marine, but some species live in freshwater lakes.
Sponges attach themselves to different substrates, such as rocks, coral, shells, and marine organisms.
Some sponges even live on floating debris.
Sponges have different shapes and sizes, depending on their environment and adaptation.
Sponges are among the oldest animals on Earth, and have a simple cellular level of organization without true tissues or organs.