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Although they have no true tissues or organs, they are lined inside and out with flattened cells called epithlium.

they r made up of more than one cell

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∙ 15y ago
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Is a sponge a multicellular or unicellular organism?

A sponge is a multicellular organism.


Is a sponge alive?

No, a sponge is not considered alive in the biological sense because it lacks organs, tissues, and a nervous system. Sponges are simple multicellular organisms that rely on filtering water to obtain nutrients and oxygen.


Is a sponge an organism?

No, a sponge is not considered an organism in the traditional sense because it lacks complex organ systems and does not exhibit characteristics of living organisms like movement or the ability to consume nutrients. Sponges are classified as multicellular filter feeders belonging to the animal kingdom.


Why would a sponge be considered a colony of cells rather than a multicellular organism?

Sponges lack specialized tissues and organs found in multicellular organisms. Instead, they are made up of a loose aggregation of different cell types that work together in a coordinated manner. Each cell in a sponge can potentially survive on its own, making sponges more akin to a colony of cells rather than a true multicellular organism.


What is the only multicellular animal without a nervous system?

a sponge does not have a nervous system


Is protista unicellular multicellular?

it can be considered a multicellular organism


Is the marine sponge unicellular or multicellular?

Sponges differ from other multicellular animals in that they do not develop organs. The multicellular sponge cells are totipotent. This allows the cells to develop into reproductive cells or other types of cells for the sponge.


Is a mushroom considered unicellular or multicellular?

Multicellular


Which of these organisms contains no specialized cells paramecium sponge sea anemone or jellyfish?

Sponge contains no specialized cells. Sponges are considered one of the most primitive multicellular animals and have a relatively simple cellular structure compared to organisms like paramecium, sea anemone, and jellyfish.


Is a fish considered unicellular or multicellular?

A fish is multicellular, as is any complex animal.


What do you need to be a animalia?

To be classified as Animalia, an organism needs to be multicellular, heterotrophic (obtain nutrients by consuming other organisms), lack cell walls, and have the ability to move at some stage of their life cycle. This kingdom includes a wide variety of organisms from insects to mammals.


How is a unicellular anmial living in fresh water do different than a unicellular plant living in fresh water?

There are NO unicellular animals. The sponge is now considered the first true animal and it is most definitely multicellular. Alao you need to rephrase your question.