Differentiate between reproduction and regeneration.Name any two organisms which grow by regeneration?

Question

Answer

Reproduction: In this process , individual organism gives rise to new one either by sexual or asexual method.

Regeneration: It is in process by which new organisms develop from the body parts of parent organisms.Such organisms can be cut into a number of pieces and each piece grows into separate individual.

Examples of organisms showing regeneration - Hydra , Planaria.

Answer

Reproduction: It means give birth to new offspring either by sexual or sexual method(reproduction).Regeneration: It means regenerating broken part or entire organism from broken part.eg planaria, hydra

Answer

In reproduction two parents are involved where in regeneration only single parent is involved..

Two organisms are Planaria and Hydra..

Answer

Reproduction----->It cam be defined as the process in which a new offspring is developed either by asexual method or sexual method.
Regeneration----->It is the process in which a individual is developed from the part of parent body.

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Answer

Differentiation between Reproduction and Regeneration:

Reproduction:
Reproduction is the biological process by which new individuals of the same species are produced. It involves the production of offspring, ensuring the continuation of the species. Reproduction can occur through sexual or asexual means.

1. Sexual Reproduction:
- Sexual reproduction involves the fusion of gametes (sperm and egg) from two parent organisms.
- It results in offspring that inherit traits from both parents, leading to genetic diversity.
- Examples of organisms that reproduce sexually include mammals, birds, reptiles, and most plants.

2. Asexual Reproduction:
- Asexual reproduction involves the production of offspring by a single parent organism, without the involvement of gametes.
- It results in offspring that are genetically identical to the parent, leading to a lack of genetic diversity.
- Examples of organisms that reproduce asexually include bacteria, fungi, some plants (such as strawberries and potatoes), and certain animals (such as starfish and flatworms).

Regeneration:
Regeneration is the process by which organisms replace or repair damaged or lost body parts. It involves the regrowth or reformation of tissues, organs, or entire organisms.

1. Complete Regeneration:
- Complete regeneration refers to the ability of an organism to regrow an entire body part, such as a limb or tail.
- Some organisms can fully regenerate their body parts, restoring them to their original form and function.
- Examples include starfish, salamanders, planarians (flatworms), and some lizards.

2. Partial Regeneration:
- Partial regeneration refers to the ability of an organism to regrow only specific tissues or organs.
- In this case, the regenerated body part may not be an exact replica of the original, and functionality may be limited.
- Examples include liver regeneration in humans, the regrowth of antlers in deer, and the regrowth of tails in certain lizards.

Organisms that Grow by Regeneration:
1. Planarians (Genus: Dugesia):
- Planarians are flatworms that exhibit remarkable regenerative abilities.
- If a planarian is cut into pieces, each piece has the ability to regenerate into a complete organism.
- This is due to the presence of pluripotent stem cells called neoblasts, which are responsible for the regeneration process.

2. Axolotls (Species: Ambystoma mexicanum):
- Axolotls are amphibians that possess the unique ability to regenerate entire limbs, spinal cord, heart, and other organs.
- They can even regrow parts of their brain and eyes.
- The regeneration in axolotls is facilitated by the presence of a large number of stem cells, which can differentiate into various cell types.

In conclusion, reproduction involves the production of offspring to ensure species continuity, while regeneration refers to the regrowth or repair of damaged or lost body parts in organisms. Planarians and axolotls are examples of organisms that can grow by regeneration, showcasing their exceptional regenerative capabilities.

Answer

The difference between the reproduction and regeneration is that -
Reproduction is the process by which living organism produce new individuals similarly to themselves it ensures continently life on earth and regeneration is
the process of getting back a full organism from the body parts of the parent individual.
Hydra and planaria are the two organism which grow by regeneration.

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