Biology

Edit Answers
1234567891011121314151617181920212223242526272829
Across
  1. 2. Study of past and present distribution of organisms
  2. 5. Organisms that relies on other organisms fortis energy and food supply; also called a heterotroph
  3. 6. Symbiotic relationship in which one organism benefits and the other is neither helped nor harmed
  4. 7. a graphical representation of the energy found within the trophic levels of an ecosystem.
  5. 8. the geologically altered remains of a once-living organism and/or its behaviour
  6. 9. physical change in an organism that results over time in reaction to its environment
  7. 11. organism that breaks down dead organic material
  8. 12. the change in heritable traits of biological populations over successive generations
  9. 16. Network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
  10. 19. Selective breeding of plants and animals to promote the occurrence of desirable traits in offspring
  11. 20. Assemblage of different populations that live together in a defined area
  12. 23. reproductive success and reflects how well an organism is adapted to its environment.
  13. 24. the direct or indirect interaction of organisms that leads to a change in fitness when the organisms share the same resource.
  14. 25. Part of Earth in which life exists including land, water, and air or atmosphere
  15. 27. The process by which organisms best adapted to their environment survive & reproduce to pass on favorable traits to their offspring
  16. 28. Series of steps in an ecosystem in which organisms transfer by eating and being eaten
  17. 29. an organism that mostly eats meat, or the flesh of animals
Down
  1. 1. All the organisms that live in a place, together with their nonliving environment
  2. 3. when two populations are separated by geographic barriers such as rivers, mountains, or bodies of water.
  3. 4. the study of the development of the anatomy of an organism to its adult form
  4. 10. the ancestor of two or more species in the later period.
  5. 13. Largest number of individuals of a particular species that a particular environment can support
  6. 14. he transfer of genetic material from one population to another
  7. 15. Single species that is not usually abundant in a community yet exerts a strong control on the structure of a community
  8. 17. Group of ecosystems that share similar climates and typical organisms
  9. 18. a relationship between organisms in which one is harmed when both are trying
  10. 19. Body parts that share a common function, but not an evolutionary history
  11. 21. an organism that mostly feeds on plants
  12. 22. a pattern of behavior in which animals travel from one habitat to another in search of food, better conditions, or reproductive needs
  13. 26. Group of drugs used to block the growth and reproduction of bacterial pathogens