Which of the following statement best describes sponges?Multiple choice question.Sponges have several types of cells that perform different functions.Like most animals, sponges are multicellular and have specialized tissues.Like colonial protists, sponges are made of cells that are functionally identical.
Question
Which of the following statement best describes sponges?Multiple choice question.Sponges have several types of cells that perform different functions.Like most animals, sponges are multicellular and have specialized tissues.Like colonial protists, sponges are made of cells that are functionally identical.
Solution
The statement that best describes sponges is: "Sponges have several types of cells that perform different functions."
Here's why:
Sponges, belonging to the phylum Porifera, are indeed multicellular organisms. However, unlike most animals, they do not have specialized tissues or organs. Instead, they have specialized cells that perform different functions. These cells include choanocytes (or collar cells) that help in feeding and generating water currents, pinacocytes that cover the outer surface, and archaeocytes that can transform into other cell types to perform various functions.
Therefore, the statement "Like most animals, sponges are multicellular and have specialized tissues" is incorrect because sponges do not have specialized tissues.
The statement "Like colonial protists, sponges are made of cells that are functionally identical" is also incorrect. While colonial protists are made up of identical cells, sponges are made up of different types of cells that perform different functions.
So, the most accurate statement is "Sponges have several types of cells that perform different functions."
Similar Questions
Which of the following statements about sponges is true?Multiple choice question.They are multicellular but do not have true tissues.They are colonial but do not have true tissues.They are multicellular and have true tissues.They are colonial and have true tissues.
What is true of all colonial protist cells with the exception of reproductive cells, but is not true of sponge cells?Multiple choice question.They are morphologically different.They are functionally similar.They are functionally different.
The figure shows specialized cells of a sponge. What kind of cells are they?Multiple choice question.NephridiaAmoebocytesCollar cellsCnidocyte
What differentiates sponges from colonial protists?Multiple choice question.Sponges eat bacteria.Sponges are made of several functionally differentiated cell types.Sponges have a free-swimming stage.Sponges can reproduce sexually and asexually.
What type of cells surround the body of a sponge?Multiple choice question.SpiculesEpithelial cellsChoanocytesAmoebocytes
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