Please enable JavaScript.
Coggle requires JavaScript to display documents.
ecology and energy conservation revision - Coggle Diagram
ecology and energy conservation revision
IF ONE SPECIES IS REMOVED THE WHOLE COMMUNITY IS NEGATIVELY IMPACTED
competition
Animals compete for food, mates and territory
Plants in a community or habitat often compete for light, space, water and mineral ions
ecosystems
ecosytem " the interaction of a community of living organisms (biotic) with the non-living (abiotic) parts of the environment"
stable communities
a stable community is a community in which all the species and environmental factors are in balance in order to maintain fairly constant population sizes
examples of stable communities include old woodlands (e.g. ancient oak woodlands) and tropical rainforests - such as the amazon rainforest (not Jeff Bezos's brain child)
to be able to reproduce and survive, species must have ample resources - food and shelter being the two most important
Within ecosystem communities, each species depends on other species for food, shelter, pollination, seed dispersal and other vital operations
factors affecting communities
Abiotic (non-living) factors which can affect a community are
moisture levels
soil PH and mineral content
temperature
wind intensity and direction
light intensity
O2 levels for aquatic animals
CO2 levels for plants
Biotic (living) factors which can affect a community are
food availability
species being outcompeted (e.g. red vs. grey squirrels in Britain
introduction of new predators
introduction of new pathogens