1. Week 16 Vocab Definitions

2. Trial and error
Occurs when an animal receives a reward for making a particular response.
Courtship behavior
The behavior that males and females of a species carry out before mating

3. Estivation
A state of reduced metabolism that occurs in animals living in conditions of intense heat.
Hibernation
A state of reduced metabolism that occurs in some animals during the winter.
Innate behavior
Behaviors that are genetically determined within an organism

4. Learned behavior
Takes place when behavior changes through practice or experience.
Habituation
occurs when an animal is repeatedly given a stimulus and it learns to ignore it.
Insight
Learning in which an animal uses previous experience to respond to a new situation.

5. Classical conditioning
Learning by association.
Motivation
An internal need that causes an animal to act; necessary for learning to take place

6. Community
All the organisms living together in an area (more than 1 population)
Ecosystems
a natural unit consisting of all biotic and abiotic factors of the environment
Limiting factor
Any factor that influences the growth and population size

7. Carrying capacity
The maximum number of organisms an environment can support
Exponential growth
The larger the quantity gets, the faster it gets larger. (NOT linear)

8. Density dependent factors
A limiting factor that depends on the size of a population. Ex: disease, predation
Density independent factors
A limiting factor that does not depend on the size of a population. Ex: earthquake, hurricane

9. Biodiversity
The variation of life within a given ecosystem
Habitat Fragmentation
Describes the breaking up of an organism's habitat
Habitat Degradation
The removal of habitat quality and its ability to support communities