Levels of Organization
What is the largest level of organization?
Biosphere
What is a abiotic factor?
A nonliving part of the environment
Producers
Name at least 2 basic needs of organisms.
Food, Water, Shelter, and Mates
What is a disturbance that can cause secondary succession?
Wildfires, severe weather, human activities
What do we call a living thing?
Organism
What is a biotic factor?
A living part of the environment
A heterotroph is an organism that has to...
Sloth and algae, where both species benefit from the relationship is an example of what kind of symbiotic relationship?
Mutualism
What is a community of living organisms and their interrelated abiotic environment?
Ecosystem
What are some examples of terrestrial biotic factors?
Plants, Animals, Fungi
What is a model for showing how energy moves through an ecosystem?
Food Chain/Food Web/Energy Pyramid
Commensalism is where one species benefits but the other is...
Not harmed, does not benefit
What is the end goal of ecological succession, where the community is mature?
Climax Community
A community is made up of what?
Populations of multiple species living in the same area
What are some terrestrial abiotic factors?
What is at the bottom of a food chain?
Give an example of parasitism in nature.
Common example: tapeworms and humans
What is the definition of ecological succession?
The natural process in which a disturbed area is gradually taken over by a species that was not there before
Put the ecological levels of organization in order from smallest to largest:
Biome, Ecosystem, Organism, Community, Population, Biosphere
Organism, Population, Community, Ecosystem, Biome, Biosphere
What are some aquatic abiotic factors?
Salinity, Light, Oxygen Content, Rate of Water Flow, Depth, Water Temperature, pH Balance/Acidity
How much energy is transferred to the next level in an food web?
10%
Which type of biotic interaction can be like the Hunger Games, where a species must kill to stay alive.
Predation
What are the two types of ecological succession?
Primary succession and secondary succession