BIOLOGY- REPRODUCTION IN ORGANISM LIFE SPAN Part 2.

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Here’s Part 2: Life Span in Organisms (Reproduction in Organisms)

Contents

The life span of an organism is the period from its birth to its natural death. It varies greatly among different species.

Short-lived organisms:
- Mayfly – 1 day
- Rice plant – 3-4 months
Moderate life span:
- Dog – 10-15 years
- Cow – 20-25 years
Long-lived organisms:
- Elephant – 60-70 years
- Human – 80-100 years
- Banyan tree – 200-500 years
- Tortoise – 100-250 years

Life span is not necessarily related to the size of an organism.
- Example: A parrot (140 years) lives longer than a crow (15 years) despite similar body sizes.

Every organism has a limited life span, but reproduction ensures the continuity of species.
No individual is immortal, except for some unicellular organisms like Amoeba, which divide continuously.

Would you like me to continue with Part 3: Asexual Reproduction?

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