Ecology, Feeding Relationships & Cycles Flashcards
Producer
Makes its own food
Consumer
Cannot make its own food but needs to eat to get food.
Predator
An animal that eats another animal.
Prey
An animal that is eaten by another animal.
Herbivore
An animal that only eats plants.
Carnivore
An animal that only eats animals/meat.
Omnivore
An animal that eats both plants and animals/meat
Autotroph
An organism that produces its own food by using light, water, carbon dioxide and other substance.
Heterotrophs
An organism that consumes others.
What do the arrows in a food chain show?
Transfer of energy
What is the source of all energy in a food chain?
The sun
What is a food web?
A system of interlocking, independent food chains.
Biomass
Total dry mass of an organism.
How is some energy wasted between consumers?
Lost as heat through respiration.
Lost in urine and faeces in excretion
What is the difference between egestion and excretion?
Egestion is the removal of undigested food.
Excretion is the removal of metabolic waste.
Decomposition
Release CO2 due to decomposers and detritivores respiring.
Sedimentation
Converting the products of photosynthesis into fossil fuels when animals and plants die and decay.
Combustion
Converting coal, oil, gas (fossil fuels) into CO2 and H2O
Feeding
Transfer of caron stored in biomass of plants and animals to next trophic level.
Assimilation
Absorption and digestion of food or nutrients by an organism.
Location of Nitrogen fixing bacteria
Soil
Location of Nitrifying bacteria
Soil
Location of denitrifying bacteria
Soil
Nitrogen fixing bacteria converts … into …
Nitrogen into Ammonium
