1. Warm Up 9-9-13  Compare predator adaptations to prey adaptations. Give two examples of each.

2. Answer  Predator adaptations help predators catch prey. Ex. Speed, camouflage, heat sensory (snake)  Prey adaptations help the prey from being eaten. Ex. Warning coloration, herding, playing dead.

3. Warm Up 9-10-13  What is the difference between a food chain and a food web?

4. Answer  A food web shows the feeding relationships between multiple organisms in an ecosystem.  A food chain shows feeding relationships from one organism to the next.

5. Warm Up 9-11-13  A tick sucks blood from a dog. In this relationship, the tick is the __________ and the dog is the __________.  a. parasite, prey c. parasite, host  b. predator, host d. host, parasite

6. Answer  A tick sucks blood from a dog. In this relationship, the tick is the __________ and the dog is the __________.  a. parasite, prey c. parasite, host  b. predator, host d. host, parasite

7. Warm Up 9-12-13  Resources such as water, food, or sunlight are likely to be limiting factors  a. when population size is decreasing.  b. when predators eat their prey.  c. when the population is small.  d. when a population is approaching the carrying capacity.

8. Answer  Resources such as water, food, or sunlight are likely to be limiting factors  a. when population size is decreasing.  b. when predators eat their prey.  c. when the population is small.  d. when a population is approaching the carrying capacity.

9. Warm Up 9-13-13  Nature’s recyclers are  a. predators. c. producers.  b. decomposers. d. omnivores.

10. Answer  Nature’s recyclers are  a. predators. c. producers.  b. decomposers. d. omnivores.