Interactions of Living Things

Abiotic~all nonliving things




BIOTIC ~ all living things



FIVE LEVELS OF ENVIRONMENTAL ORGANIZATION

 
ORGANISM




Population~ a group of organisms of the same species that live in a specific geographical area



 Community~all the populations of a species that live in the same habitat and interact 


ECOSYSTEM

Ecosystem-A community of organism and their abiotic or nonliving enviroment

 

Biosphere-The part of Earth where life exists



3 Kinds of Organisms

  1. producers
  2. consumers
  3. decomposers
4 Kinds of Consumers:
  1. Herbivore
  2. Carnivore

3. Omnivore
4. Scavenger

RELATIONSHIPS 


Competition-When two or more individuals or populations try to use the same resources such as water,shelter,space,or sunlight



Predator

An Organism That Eats All Or Part Of Another Organism.


Prey-an organism that is killed and eaten by another organism



SYMBIOSIS

Mutualism
Commensalism

PARASITISM



Adaptations-To help animals survive and to keep them safe from their predators.






 

LIMITING FACTORS- a resource that is so scarce that it limits the size of the population.



HOW ENERGY TRAVELS THROUGH AN ECOSYSTEM


FOOD CHAIN: the pathway of energy transfer though various stages as a result of the feeding patterns of a series of organisms.


FOOD WEB
a diagram that shows the feeding relationships between organisms in an ecosystem


Energy Pyramid