Sponges are multicellular, heterotrophic, lack cell walls, and are similar to other animals in that they produce sperm cells. Unlike other animals, they lack real tissues and organs. Some of them are radially symmetric, but most are asymmetric. Freshwater sponges are delicate sponges that grow on the sturdy submerged objects of clean streams, lakes and rivers. Examples include Spongilla lacustris and Demosponge.
How do sponges resemble and differ from other animals?
Sponges are multicellular, heterotrophic, lack cell walls, and are similar to other animals in that they produce sperm cells. Unlike other animals, they lack true tissues and organs.
What kind of body tissue does the sponge have?
These canals are lined by choanocytes, whose flagella move water from the outside to the spongy processes and drain them from the vesicles. The third category of body tissue is leuconoids. These are the largest and most complex sponges. These sponges are made up of a mass of tissue that penetrates many canals.
Which of the following is an example of a sponge?
Includes yellow tube sponge, Aplysina fistularis, purple vase sponge, Niphates digitalis, red coated sponge, Spirastrella coccinea [nl], and gray rope sponge, Callyspongiasp. Sponges are multicellular, heterotrophic, lack cell walls, and are similar to other animals in that they produce sperm cells.
How many types of sponges are there?
Diversity: Approximately 5,000 species of organisms are listed. Body plan Aristor classified the sponge as a plant. A unidirectional stream of water through the pores (mouth) of the outer wall and out of the other larger openings (Oscula) is passive with the flagella.
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