Ecology Terms

3. An educated guess
4. The number of different species in an area
5. A community of organisms and their abiotic, or nonliving, environment
8. A large biological molecule composed of subunits known as nucleotides strung together in long chains.
11. A double stranded DNA molecule that contains a series of specific genes along its length
12. All life forms on Earth
13. Living factors in the environment.
16. A remnant or trace of an organism of a past geologic age
17. The adjustment or changes in behavior,
18. All the different populations that live together in an area
20. Liquid to gas

1. Changes in the traits of a group of organisms within a species that do not result in a new species.
2. The largest population that an environment can support at any given time
6. heritable traits of a population of organisms as successive generations replace one another.
7. A recent branch of genetics that studies organisms in terms of their complete genetic material,
9. Non-living (never lived) factors in the environment.
10. Large-scale evolution
14. An organism that obtains energy by feeding on other organisms
15. An organism that breaks down wastes and dead organisms
19. A change in the sequence of one or more nucleotides in DNA