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Chapter 3: Problem 38

Phylum 'Porifera' is commonly called (a) Colelenterata (b) Sponges (c) Comb jellies (d) Vertebrata

Short Answer

Expert verified
Answer: Sponges

Step by step solution

01

Understand the options provided

Firstly, examine the given options: (a) Coelenterata (b) Sponges (c) Comb jellies (d) Vertebrata All of them are names associated with different types of organisms, with some being the common names and others being a part of the classification system.
02

Recall the characteristics of phylum Porifera

Phylum Porifera is characterized by organisms that are simple, multicellular, and mostly marine. They lack distinct tissues and organs, and have a unique body structure containing numerous pores (hence the name Porifera) through which water can flow. Examples include organisms with a structure resembling a sponge.
03

Match the characteristics to the correct option

Now, compare the characteristics of phylum Porifera with the given options: (a) Coelenterata are a group of animals that belong to the phylum Cnidaria, which includes organisms like jellyfish and sea anemones - not a match. (b) Sponges have a simple, multicellular structure with pores, matching the characteristics of phylum Porifera. (c) Comb jellies belong to the phylum Ctenophora, which is separate from Porifera - not a match. (d) Vertebrata is a subphylum of phylum Chordata, consisting of animals with a backbone - not a match.
04

Identify the correct answer

Since the characteristics of phylum Porifera match with the description of sponges, the correct answer is: (b) Sponges

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Most popular questions from this chapter

Directions for questions 21 to \(40:\) For each of the following questions, four choices have been provided. Select the correct alternative. Plants that lack xylem and phloem are called (a) Bryophytes (b) Angiosperms (c) Gymnosperms (d) Pteridophytes

The part of scientific name that starts with capital letter is ________.

The flexible rod-like structure present in organisms under phylum ‘Chordata’ is ________.

The presence of jointed legs is the characteristic feature of phylum ‘________’.

Organisms that can synthesize their own food are called ________.
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