Advertisements
Advertisements
Question
How do poriferan animals differ from coelenterate animals?
Advertisements
Solution
| Porifera | Coelenterate | |
| 1. | They are mostly marine, non-motile, and found attached to rocks. | They are exclusively marine animals that either live in colonies or have a solitary life-span. |
| 2. | They show cellular level of organisation. | They show tissue level of organisation. |
| 3. | Spongilla, Euplectella, etc. are poriferans. | Hydra, sea anemone, corals, etc. are coelenterates. |
RELATED QUESTIONS
How do annelid animals differ from arthropods?
Write down four main characters of Annelida.
Define the term hermaphrodite. Give two examples.
Distinguish between polyp and medusa.
Explain general characteristics of phylum Platyhelminthes and Nematoda. Give two examples of each.
Explain the general charaters of phylum Mollusca. Give one example of following classes of Mollusca;
(i) Gastropoda;
(ii) Pelecypoda;
(iii) Cephalopoda.
Give any one difference between the following :
Insecta and Arachnida
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Earthworm - Invertebrata, Annelida, Insecta
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Grasshopper-Wings, trachea, proboscis
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Butterfly- Insecta, Invertebrata, Mollusca
TYRANNOSAURUS
(One of the extinct animals which lived on the Earth about 100,000,000 years ago) Tyrannosaurus was about six meters long and it preyed upon other animals.
What do you think about its classification-was it an amphibian, a reptile or a mammal?
Can you call it a relative of Kangaroo? Yes/No. Give reason
Write two main characters of the following animal and name the phylum it belongs to: Jelly fish
Write name of any poikilothermic animal.
Give two examples of each of the following: Platyhelminthes
Give two examples of each of the following: Arthropoda
Fill in the blanks:
Dog fish belongs to phylum ______.
Choose the correct answer: Multicellular producers are
The binomial name of onion is ______.
Assertion (A): All vertebrates are chordates but all chordates are not vertebrate.
Reason (R): The members of subphylum vertebrata possess notochord, during the embryonic period, the notochord is replaced by a cartilaginous or bony vertebral column in adults.
In the light of the above statements, choose the correct answer from the options given below:
