Science Crossword

3. During this process, organisms quickly diverge from their parent species to take on a wide variety of new forms.
6. This occurs when creatures with brief life cycles allow us to directly examine small-scale evolution.
8. The situation in which the number of people on Earth exceeds the bioloical environment's carrying capability
10. Described as mutually reinforcing evolutionary modifications resulting from species interactions.
11. He is known for his theory on inheritance of acquired characteristics and theory of use and disuse
12. These are organisms that have not yet been born or hatched and are still developing.
13. The development of a new species from an ancestor species that is still alive and coexisting in the same geographic area.
15. The total loss of a species on Earth.
16. The concept that rather than taking a gradual but continuous course, evolution happens in spurts
19. It involves reconstructing ancient remains in order to better understand our predecessors.
20. He is known for the theory of natural selection.

1. A word used to characterize how geographical barriers physically divide populations of species from one another.
2. Composed of living things made up of comparable individuals with the ability to exchange genes.
4. It is the development of variations among closely related populations within a species, which can occasionally result in speciation.
5. It explains how the bodily systems of many species differ and are similarities.
7. When there is an obstacle between two organisms of the same species that they cannot go through, they get separated.
9. Comparable traits that have independently evolved in organisms from several eras or periods of time.
14. The flow of genetic variation, typically within a species.
17. A theory or principle that is predicated on the idea that change or variation occurs gradually over time rather than immediately.
18. Anything that has been preserved that is usually older than 10,000 years is included.