natural selection

2. ………… moths are known for their light-grey colour with black spots, helping them blend in with tree trunks covered in lichen.
7. What selection is that driven by competition for mates or mate choice, rather than survival alone?
8. What selection is like nature’s way of picking the best traits for survival?
11. Darwin was famous for his theory of …………
13. ……………… are the features that help an organism survive in its habitat.
16. ……………. Dependent Selection: The fitness of a trait depends on how common or rare it is in the population.
17. One of the animals Darwin observed.
18. Natural selection is the engine that drives …………….

1. What selection is that one trait gets pushed to an extreme?
3. Darwin was an ……….. naturalist who studied variations in plants, animals and even fossils.
4. What selection is that both extremes do better than the middle?
5. What is a black variation of peppered moths called?
6. What selection is that the average trait wins?
9. The 1964 earthquake in the US caused the islands in the Gulf of …………..
10. Where is your teacher from?
12. In …………… 1835, Darwin visited the Galápagos Island
14. Galápagos Island is in the eastern ………… Ocean.
15. …………… variation is the differences in the DNA, or genetic material, between individuals of the same species.