Biology
Given alongside are the figures of two organisms. Study the organisms and answer the following questions :
- Name the organisms [A] and [B].
- Label the guidelines 1 and 2.
- Do they belong to the same phylum ? If yes, name the phylum.
- What are the two important functions of part 1 ?
- Mention the mode of reproduction shown in figure [B]. Is it a kind of asexual or sexual reproduction ?
Answer
Organism [A] is Sea-anemone, and Organism [B] is Hydra.
The guidelines 1 and 2 show:
1 → Tentacles
2 → MouthYes, they both belong to the same Phylum, i.e. Cnidaria of Invertebrates.
Two important functions of Tentacles are:
- Tentacles help in catching food.
- Tentacles help in swimming.
We can see budding in Hydra, which is a form of asexual reproduction. This process involves the development of a new individual from an outgrowth or bud on the parent's body.
Related Questions
Write one difference between Platyhelminthes and Nematoda.
Draw a neat diagram of a fish and label the five kinds of fins, operculum and mouth. Answer the following questions :
- Name the phylum and the class to which fishes belong.
- What is the one advantage of their specific body shape ?
- Do they breathe through nostrils ? If not, mention the role of nostrils.
- Mention the breathing and locomotory structures in fishes.
- Give any two examples of fishes.
The figure given alongside represents an animal. Study the same and answer the following questions :
- Name the animal and write the phylum to which it belongs.
- Mention the locomotory structure of the animal.
- What kind of symmetry is found in the body of this animal ?
- Write a suitable habitat where animals of this phylum are found.
- Mention one characteristic feature of the body of this animal.
Given alongside is the figure of an animal. Study the same and answer the following questions :
- Name the animal.
- Write the phylum and class to which this animal belongs.
- Mention one distinguishing feature of this phylum.
- Give two more examples of organisms belonging to this phylum.
- Are these animals cold-blooded or warm-blooded ? Explain.