Slides 20-30
What do animals use O2 for?
Respiration
What is a species?
Group of organisms similar to another that can breed and reproduce
What is a food chain?
Series of steps in which organisms transfer energy by eating and being eaten
What is a habitat?
Habitat is where an organism lives
What is an ecosystem?
Collection of all organisms that live in a particular place together with their non-living environment
Autotrophs capture energy from?
Sunlight or chemicals
Biosphere contains what combined portions of the planet?
Land,water and atmosphere
What is ecological succession?
Series of predictable changes in an environment
Living factors that influence an ecosystem(plant and animal life)
Every organism needs?
Energy to power life's processes
What is a omnivore?
Organism that eats both plants and animals
What is ecology?
The scientific study of interactions among organisms and between organisms and the environment
Lichen is an example of?
Pioneer Species
What are abiotic factors?
Physical, non-living factors that influence an ecosystem
What is everything in biosphere called scientifically(land,water,air,plants)?
Atmosphere,hydrosphere,ecosphere,lithosphere
What is a parasite?
Organism that lives on/in a host organism and gets its food from/at expense of host.
What is biome?
Group of ecosystems that have the same climate and similar dominant communities
How many years will it take for a forest to restore back to how it was?
150+ years
What do biotic and abiotic factors determine?
The survival/growth of an organism and the productivity of the ecosystem in which an organism lives
What is inflitration?
Process which of water on the ground enters soil
Detritivores feed on what?
Plant or animal remains
What are the levels of organization of an ecosystem?
Individual, population, community, ecosystem, biome, and biosphere
How much energy is passed to organisms in the next trophic level?
Only about 10% of that energy available is passed to the organism
What is a niche?
The role the species plays(food it eats,where it lives,where it reproduces, and relationship with other species)
What is primary succession?
Succession that occurs on the surface where no soil exist