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But if humans can make new varieties of plants and…

“But if humans can make new varieties of plants and animals, must not nature do so also? This related process is called natural selection. That life has changed fundamentally over the aeons is entirely clear from the alterations we have made in the beasts and vegetables during the short tenure of…” quote by Carl Sagan
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““But if humans can make new varieties of plants and animals, must not nature do so also? This related process is called natural selection. That life has changed fundamentally over the aeons is entirely clear from the alterations we have made in the beasts and vegetables during the short tenure of humans on Earth, and from the fossil evidence.””

Carl Sagan

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Natural selection is a process where nature continually creates new forms, just as humans breed new varieties.

In simple terms: Nature also evolves like humans do.

Key Takeaway

Recognize nature’s ongoing innovation.

Themes

evolution science human impact

Mood

thoughtful inquisitive

Type

educational philosophical

When to use this quote

  • agricultural breeding
  • conservation policy
  • education
  • public discourse

Key Concepts

natural selection adaptation anthropogenic change

Questions to Reflect On

  • How does human breeding affect ecosystems?
  • Can we balance innovation with preservation?
A Different Perspective

Human interference can disrupt natural processes.

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