Biology Chapter 3 Flashcards
Ecology Definition
The study of interactions between organisms
Who created Ecology
Ernst Haeckle
Order of Natures houses
organism, population, community, ecosystem, biome
What is an Organism
an individual
What is a Population
A group of one species at the same time and place
What is a commounity
All the biotic factors in a specific area
What is an Ecosystem
All of the Abiotic and Biotic Factors in an area
What is a Biome
A group of ecosystems all in a similar climate
What is the Biosphere and how big is it
The Biosphere is the area on the surface of the earth, 8 kilometers up and 11 down
What is the definition of a species
Organisms similar enough to produce fertile offspring
If an ecosystem is extremely biodiverse, what does that mean for the organisms
The overall ecosystem will be extremely healthy
What are the three Ecological Methods
Observing, Experimenting, and Modeling
What does it mean to be biodiverse
Variety of organisms, and variety of genetic differences
What is the most biodiverse ecosystem on earth
The tropical rainforest and other water ecosystems like wetlands and coral reefs
What does primary productivity mean
It is the total amount of biomass and energy converted in any ecosystem/trophic level
gross primary productivity versus net primary productivity
gross is the total amount, net is how much is passed on to the next trophic level
What organisms have the most primary productivity
Bacteria and Algae
Does energy flow one way or cycle around?
It flows one way