Biologiia 10-11 Klass Kriksunov Kamenskii Chitat 57 58 Paragra -

Favors average phenotypes and preserves established traits in stable environments.

In the biology textbook for grades 10–11 by , these paragraphs cover the key mechanisms of evolution:

Favors phenotypes at one extreme, leading to a shift in traits when environmental conditions change.

You can find the full text of these sections on platforms like Google Books or specialized educational repositories like Liters.