1. Key Vocabulary Predator = An animal that hunts other animals and eats them Predator = An animal that hunts other animals and eats them Prey = an animal that other animals hunt and eat Prey = an animal that other animals hunt and eat Competition = is a struggle between individuals or different populations for a limited resource Competition = is a struggle between individuals or different populations for a limited resource

2. Vocab Continue Cooperation = is an interaction in which organisms work together to help each other. Cooperation = is an interaction in which organisms work together to help each other. Symbiosis = the relationship of two different species who live together in a close relationship Symbiosis = the relationship of two different species who live together in a close relationship Mutualism = an interaction between two species that benefits both species Mutualism = an interaction between two species that benefits both species

3. Vocab Continue Commensalism = is a relationship between two species in which one benefits while the other is not effected Commensalism = is a relationship between two species in which one benefits while the other is not effected Parasitism = is a relationship between two species in which one species benefits and the other is harmed Parasitism = is a relationship between two species in which one species benefits and the other is harmed

4. Predator/Prey Besides humans all secondary consumers must hunt their food Besides humans all secondary consumers must hunt their food An animal can be a predator and prey An animal can be a predator and preyExample A Meadowlark is a predator when it eats a grasshopper A Meadowlark is a predator when it eats a grasshopper A meadowlark is prey when a falcon hunts itself. A meadowlark is prey when a falcon hunts itself.

5. Predators/Prey Eyes Most predators have their eyes in front of their face so they can use precise sight to follow prey Most predators have their eyes in front of their face so they can use precise sight to follow prey Most prey have eyes on side of their face so they can see predators sneaking up from the side. Most prey have eyes on side of their face so they can see predators sneaking up from the side.

6. Predators/Prey Teeth Predators teeth are normally sharp and jagged. Predators teeth are normally sharp and jagged. This allows animals to tear the meat off so they can eat it. This allows animals to tear the meat off so they can eat it. Prey teeth are normally flat to grind plants down so they can be swallowed. Prey teeth are normally flat to grind plants down so they can be swallowed.

7. What can be done With your neighbor I want you to discuss the next two questions. With your neighbor I want you to discuss the next two questions. 1. What are some different things predators can do to hunt their food. 2. What are some things Prey can do to protect themselves from predators.

8. Predator Or Prey

22. Examples of Mutualism Bacteria that lives in roots of plants. (Nitrogen Cycle) Bacteria that lives in roots of plants. (Nitrogen Cycle) Rhinoceros and tick birds Rhinoceros and tick birds Clown Fish (Nemo) and Sea Anemones. Clown Fish (Nemo) and Sea Anemones.

23. Examples of Commensalism Hermit Crabs using Gastropod shells for protection. Hermit Crabs using Gastropod shells for protection. Spiders who build their webs on dead trees. Spiders who build their webs on dead trees.

24. Examples of Parasitism Tick feeding on the blood of another animal. Tick feeding on the blood of another animal. Bacteria in your body that is killing your white blood cells Bacteria in your body that is killing your white blood cells