Unit 1: Biosphere & Energy Flow Flashcards
What bacteria add back into the biosphere
nutrients
What is the study of the interactions of living organisms and the interaction of living organisms and their environment called?
ecology
Occupy the first trophic level
autotrophs
Many different population make up a
community
Final decomposers in the web of life.
bacteria and fungi
Consume their food
heterotrophs
Each step in a food chain or a food web is known as a
Trophic leve
Series of feeding relationships is known as a
food chain
Alternate name for a heterotroph
consumer
Ecosystems with similar climates and dominant communities are know as
biomes
What is passed between organims in a food chain or food web?
energy (only 10%)
nutrients/organic matter
A number of the same organisms makes up which level of ecological study
populations
Occupies the 5th trophic level
quaternary consumers
All the biomes plus the atmophere are known as the
biosphere
Occupies the 4th trophic level
tertiary consumers
Occupies the 3rd trophic level
secondary consumers
Energy travels from the sun into the biosphere in tiny packets called
photons
Organism that only eats meat
carnivore
Occupies the 2nd trophic level
primary consumers
Original source of energy in the ecosystem
sun
Organism that only eats plants
herbivore
Most specific level of organization
species
They are at the top of the food chain and aren’t consumed by an organism other than the detritivores and decomposers
Apex predator/consumer
Create their own food
autotroph
What ends with bacteria in terms of feeding relationships
energy
Alternate name for an autotroph
producer
In which biome do we live?
temperate forest
Organism that eats both plants and animals
omnivore
Organisms that initially begin the break down of organic material such as a dead organism or waste
detritivores
