Animal Life

3. a classification of animals withOUT backbones--like insects, crustaceans, snails, and earthworms
5. an organism that gets its energy by eating other organisms (NOT producing its own food)
7. a classification kingdom for single-celled organisms that lack a nucleus
9. a classification kingdom for organisms that perform photosynthesis
11. a characteristic of animals in which their blood temperatures fluctuate depending on their environment's temperature
12. the connection between plants, plant eaters, and animal eaters in an ecosystem

1. a classification of animals with backbones--like mammals, birds, reptiles, amphibians, and fish
2. an organism that breaks down dead or decaying organic matter for energy and recycles the materials back into the environment
4. a characteristic of animals in which their blood temperatures stay relatively the same level (NOT dependent on environment)
6. a classification kingdom for organisms that do NOT belong to animal, plant, or fungi kingdoms
8. a classification kingdom for all animals in general (living or extinct)
10. an organism that creates its own food or energy
12. a classification kingdom for plant-LIKE organisms with distinct characteristics