Life Science Review

1. The number of organisms of a particular species in a community.
4. A system of combined food chains
5. An organism that can make its own food, such as a plant
10. A physical adaptation in which animals blend with or are hidden by the environment.
13. An animal that eats both plants and animals.
14. An adaptation in which animals move from one place to another for the purpose of survival.
17. The role that each species plays within its particular ecosystem.
19. An animal with a backbone
21. The process of making more organisms of the same kind
22. The process by which plants use sunlight to change carbon dioxide and water to food.
23. All the living things in an ecosystem.
24. An adaptation in which animals sleep through the winter as a means of survival.
26. The change in shape and form some organisms go through during their life cycles.
29. A group of similar organisms that can reproduce more individuals like themselves.
31. Actions that develop as an organism interacts with the environment. These actions are learned.
34. Living organism that cannot produce its own food. Feed on other organisms, including plants and animals.
35. a species that is in danger of becoming extinct

2. An animal that hunts down other animals.
3. A trait that helps an organism survive and reproduce. It can be related to its body or its actions.
6. The early, worm–like stage in the cycle of an insect.
7. an animal that only eats meat.
8. The environment in which an animal or plant lives.
9. A reaction/activity that occurs in response to stimuli (gravity, light, temperature, etc.)
11. An animal without a backbone
12. A behavioral trait passed from parent to offspring through genes. Instincts are not taught.
15. An organism that breaks down the remains of dead organisms.
16. An animal that only eats plants.
18. An animal that is hunted down and eaten by other animals.
20. A species that is no longer in existence.
25. part of the world that is characterized by its climate, environment and life
27. A diagram representing how energy flows from one organism to another
28. The stages of development an organism goes through as it grows and develops.
30. Trait Features passed on from parent to offspring through genes.
32. An area where living organisms interact with each other and nonliving things in the environment.
33. Area that includes all living organisms and their surroundings