Organisms Compete & Survive in an Ecosystem

A contest among organisms for limited resources in an ecosystem is called
1. symbiosis
2. The SuperBowl
3. instinct
4. competition
When different kinds of organisms live closely together for most of their lives this long-term relationship is called
1. symbiosis
2. mutualism
3. learned behavior
4. skill
A relationship where both organisms benefit is called (an example, a small fish cleans a shark's teeth; small fish gets food, shark gets clean teeth)
1. learned behavior
2. instinct
3. mutualism
4. dental hygiene
Instinct is defined as
1. something that really stinks
2. a behavior that an organism inherits; the behavior is shared by an entire population
3. a behavior you learn over time
4. when a species is no longer in existence; the species is gone forever
A learned behavior is
1. a behavior that is learned from parents or others and is not inherited from them.
2. a behavior that shows respect or good judgment
3. a behavior that teaches competition
True or False: The more trees there are in a park, the more squirrels, birds and other animals that can live there.
1. True
2. False
True or False: All of these are examples of habitats: tree, flower, hole in the ground, nest
1. True
2. False