1. Define Habitat a. Place where organisms live b. A trait that an animal possesses in order to live in a certain environment. c. All the populations that live in a certain area. d. A group of the same kind of organisms living in a certain place. A

2. Define Population a. A group of the same kind of organisms living in a certain place. b. A trait that an animal possesses in order to live in a certain environment. c. All the populations that live in a certain area. d. Place where organisms live. A

3. Define Community a. A group of the same kind of organism living in a certain place. b. All the populations that live in a certain area. c. Consumes dead organisms and breaks them down into important nutrients. B

4. Define Ecosystem a. Place where organisms live b. Living and nonliving things in an environment with their interactions. c. All the populations that live in a certain area. B

5. Define Decomposer a. Eats plants b. Eats animals c. Consumes dead organisms and break them down into important nutrients. C

6. Define Adaptations a. Place where organism lives. b. Group of the same kind of organism living in a certain place. c. All the populations that live in a certain place. d. A trait that an animal possesses in order to live in a certain environment. D

7. Which is an abiotic factor? a. Living thing b. Non-living thing B

8. Which of the following items is NOT something plants need to make their own food? a. Sunlight b. Nitrogen c. Water d. Carbon Dioxide B

9. Which of the following items is a NON- LIVING limiting factor? a. Types of rocks b. Predator-Prey Relationships c. Humans d. Temperature D

10. What is the source of energy that flows through the food chains on Earth? a. Small Animals b. Producers c. Carnivores d. The Sun D

11. What is the carrying capacity of this deer population? a.178 – 180 b.100 – 115 c.150 – 155 d.198 – 200 A

12. What will happen if the coyote population increase? a.The deer population will increase. b.The deer population will decrease. c.The deer population will stay the same. B

13. What keeps the number of deer at a steady level? a.Number of coyote b.Amount of producers c.A & B C

14. Which of the following living things in the pond system uses the energy from sunlight to make its own food? a.Insects b.Bacteria c.Fish d.Algae D

15. Pesticide was applied to the farm up the road and some of the pesticide washed into the pond above. (Pesticides take a long time to break down). Which organisms would have the greatest concentration of pesticide in their body? a.Algae b.Insects c.Fish d.Top Consumer (heron) D

16. Why would the top consumer, heron, have the greatest level of pesticide concentration in their body? a.Pesticides take time to dissolve to the heron eats organisms with pesticide in their bodies. b.Eats the animals that have eaten the pesticide. c.As you go higher up the food chain, the level of pesticide increases. d.All of the above. D

17. In the pond image above, the large mouth bass is the top fish predator. In April, the Nifty Sixties Club decided to add some large trout to the pond for the upcoming fishing derby. What would happen to the large mouth bass population that were already at the pond at the end of the summer? a.The population would stay the same. b.The population would increase since there are more fish. c.The population would decrease because there is less food (energy) available. C

18. A nearby farm just sprayed their fields with some fertilizer to help the crop of corn grow. Some of that fertilizer washed into this nearby pond. What would happen to the population of algae found in this pond? a.The population of algae would increase since fertilizer makes it grow. b.The population of algae would stay the same because it gets enough nutrients from the sun to makes its own food. c.The population of algae would decrease because the fertilizer kills the algae. A