Ecosystems (paper2) Flashcards
(31 cards)
What do organisms need to stay alive
Resources
What do plants need to stay alive
Light, water, carbon dioxide, oxygen, warmth and mineral ions
What do animals need to stay alive
Oxygen, food, water and shelter
Define ecosystem
All the organisms and the environment they live in
Define consumer
Needs to eat other organisms for energy
Define resource
The things that an organism needs to stay live
Define food web
Shows the feeding relationship between organisms in a community
Define community
All the different organisms that live in an ecosystem
Define abundance
How common something is in an area
Define population
The number of one type of species
Define producer
An organism that produces its own food
Define habitat
A place in which an organism lives
Define distribution
Where the organisms are found in an ecosystem
Define adaption
How the organisms are suited to particular conditions
You can estimate population sizes by doing what with what
Taking samples with a quadrat
What is the population size equation
Pop size = number if organisms in all quadrants x (total size of area where the organism lives divided by total area of quadrats)
What is energy from the sun transferred into through photosynthesis
Biomass
What is biomass
Mass of tissues
What is another way that solar energy is transferred
Heating during respiration
What is another word for a feeding level
Trophic levels
What is trophic levels
The energy flowing through the biotic components of an ecosystem
How can we show the amount of biomass at each trophic level
With a pyramid of biomass
What are non living factors called
Abiotic factors
The effect of abiotic factors on distribution can be measured using what
A belt transect
