Question
Digestion in sponges is(a) Intracellular(b) Extracellular(c) Both (a) and (b)(d) None of these
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Intracellular digestion is the process by which food is broken down inside cells, while extracellular digestion is the process by which food is broken down outside cells. Show more…
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(d) Which of the following is not a characteristic feature of sponges? (a) Cellular level of organization (b) Presence of ostia (c) Intracellular digestion (d) Body supported by chitin
\begin{equation} \begin{array}{l}{\text { The distinction between sponges and other }} \\ {\text { animal phyla is based mainly on the absence versus the }} \\ {\text { presence of }} \\ {\text { (A) a body cavity. }} \\ {\text { (B) a complete digestive tract. }} \\ {\text { (C) mesoderm. }} \\ {\text { (D) tissues. }}\end{array} \end{equation}
Sponges are porifera because their bodies have: A. Spicules in the skeleton B. Several pores C. Canal system D. All of the above
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