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Why do some animals/insects have a life span of a few days but others such as some turtles can live over 100 years?

Mark Sterling
Mark Sterling
Research Editor · Feb 13, 2026 · Updated Apr 13, 2026

The answer to why anything in nature is basically because it works and they keep having babies. Reptiles generally use the strategy to keep growing because it increases their chances of survival and reproduction more to just get bigger and keep staying alive. Mammals tend to stop growing and put …

90
Words

1 min
Read Time

#133
of 500 in Animals

+32%
vs Category Avg

The Short Answer

The answer to why anything in nature is basically because it works and they keep having babies. Reptiles generally use the strategy to keep growing because it increases their chances of survival and reproduction more to just get bigger and keep staying alive. Mammals tend to stop growing and put more resources into raising fewer offspring with a higher level of care. Insects mostly do not care for their offspring. If they only need to be alive for a few days to mate and lay eggs, that's all it takes.

Analysis

Key Concepts: Keep, growing, alive

This explanation focuses on keep, growing, alive and spans 90 words across 5 sentences. At 32% above the average Animals explanation (68 words), this is one of the more thorough answers in this category, reflecting the complexity of the underlying question.

What This Answer Covers

The explanation opens with: “The answer to why anything in nature is basically because it works and they keep having babies.” It then elaborates by explaining the root cause, ultimately building toward a complete picture across 5 connected points.

How This Compares in Animals

Ranked #133 of 500 Animals questions by answer depth (top 27%). This falls in the detailed tier — above average depth. The explanation goes beyond surface-level but keeps things accessible.

Frequently Asked Questions

Is there a simple explanation for why some animals/insects have a life span of a few days but others such as some turtles can live over 100 years?

The answer to why anything in nature is basically because it works and they keep having babies. Reptiles generally use the strategy to keep growing because it increases their chances of survival and reproduction more to just get bigger and keep…

How detailed is this explanation compared to similar Animals questions?

This is an above-average answer at 90 words, ranked #133 of 500 Animals questions by depth. The key concepts covered are keep, growing, alive.

What approach does this answer take to explain some animals/insects have a life span of a few days but othe?

The explanation uses root cause analysis across 90 words. It is categorized under Animals and addresses the question through 1 analytical lens.