1. Chapter 5 Section 2

2.  Competitive  Group

3.  Compete for 5 reasons 1. food, shelter, water, space, mates  Can occur between or within species Ex) pride of lions steals prey from hyenas Ex) arctic hares boxing over a mate

4.  Threatening behavior used to gain control over another animal Ex) pride of lions “pecking order” for food  Rarely results in injury or death within a species (weaker usually gives up) Ex) puppy rolling over 

5.  An area occupied or defended by an animal or group  Established by song, calls, scratches, droppings, or pheromones  Keeps young safe, allows access to mates and resources http://www.youtube.com/watch?v=EQCYxYW1IBw

6.  Courtship behaviors  Ensure males and females of same species recognize each other  Typically competitive within the species http://www.youtube.com/watch?v=pZ7WRtCkARw

7.  Many species live in groups for protection and finding food Ex) horses, bison, fish,insects, lions

8.  More difficult for predators to spot individuals  some watch for danger, others feed  can fend off predators (musk oxen)

9.  group within a species that works together in a highly organized way Ex) bees (worker, queen, drone) http://www.youtube.com/watch?v=lE-8QuBDkkw

11.  circadian rhythms – occur over the course of one day  Ex) field mice active at night, rest at day

12.  state of greatly reduced body activity when food is scarce  all body processes slow down, use stored fat to meet needs http://www.youtube.com/watch?v=Svm6yqKx-Go

13.  seasonal journey of an animal from one place to another  move to a place with lots of food, good environment for reproduction  can be short (sheep) or long (birds)  use sight, taste, magnetic senses to find their way http://www.youtube.com/watch?v=HYM6LqDJLiM