Module 51 Flashcards
Levels of organization
1) species
2) population
3) community
4) ecosystem
5) biosphere
Species
Smallest and most fundamental unit on the ecological hierarchy
Population
Consists of all individuals belonging to the same species within an given area
Community
A collection of populations in a given area that interact with each other
Ecosystem
Connection between abiotic and biotic
Biosphere
Includes all ecosystems on earth
Phototropism
A plant response to the environments cause sunlight to grow towards the sunlight
Photoperiods
How animals respond to the environment for example when to migrate and when to breed
Communication
Transfer of information between two individuals
Examples of communication
Visual, auditory, chemical, tactile and electrical signals
Innate behaviors
Behavior performed without prior experience
Learned behavior
Genes are necessary to perform the behavior, environment has a bigger role