Why Are Sponges Animals Math

An increase in muscle fiber size.

Why are sponges animals math. An increase in muscle fiber number b. They have cells that are independent of each other but work together in a colony. They have been around since the precambrian with the earliest fossils dating from 580. They are so simple that they do not have any tissue or organs but they do have specialised cells that perform specific functions such as protection generating a current of water and breaking down pathogens.

Adult sponges are sessile animals that live attached to hard rocky surfaces shells or submerged objects. A decrease in muscle fiber size my pick d. We consider sponges to be proper animals because they share a similar early development blastula etc and a lot of their cellular function is quite similar to that of other animals. Which is a definition of hypertrophy.

Like other animals they absorb organic carbon rather than fixing it from inorganic sources such as carbon dioxide. They do not exhibit bodily symmetry. It is possible for one single sponge cell to survive reproduce and create a whole new sponge colony. Login to view answer.

Sponges are thought to be one of the first animals to have. At one point in history they were considered plants because of their shape and sedentary. A decrease in muscle fiber number c. Sponges are considered animals because they have the same cell stucture and type of metabolism as animals and reproduce in a similar fashion to.

Members of this group include glass sponges demosponges and calcareous sponges. Their cells do not have cell walls plants do. Sponges are aquatic animals that spend their entire lives affixed to a single point on the ocean floor. However unlike other animals they do not have true tissues or organs.

Login to post answer. Sponges porifera are a group of animals that includes about 10 000 living species. At any rate sponges are similar enough to animals to be considered. They produce sperm cells.

They belong to the phylum porifera. Related questions in biology. Sponges are only just classed as animals. Sponges are multicellular and eukaryotic.

Asked by tutorsonspot 13 12 2019 11 13 am.