a stone is a
abiotic factor
succession is
areas and species changing over time
a food web is
a visual representation of connected food chains
what is the carbon cycle
carbon moving from the geosphere hydrosphere and atmosphere of earth
Definition of ecosystem
a biological community of interacting organisms and their physical environment
bacteria is an example of a
biotic factor
primary succession is
the first colonization of an area
food webs differ from food chains because
a food chain is only who eats what a food web shows everything in an ecosystem
what is climate change
long term shifts in temperature
definition of energy pyramid
levels of ecological food relationships
a abiotic factor is ___ while a biotic factor is __
non-living , living
secondary succession is
when plants and animals recolonize a habitat after a major disturbance
Apex predators are found where on the food web
the top
what are the main drivers of climate change
Humans
assimilation
movement of digested food molecules into the cells of the body where they are used.
salinity in the sea is an example of a
abiotic factor
Tertiary succession is
an ecosystem undergoes further changes to reach a more complex and stable community typically after a disturbance
___ are always at the bottom of the food web
producers
why is carbon a crucial element
carbon makes up all organisms
carnivore
organism that only eats meat
a virus is a
abiotic factor
Succession is important because
It initiates the colonization of new areas and the recolonization of the areas that had been destroyed
The sun is the source of all the ____ in a food web
energy
what are greenhouse gasses
gasses that absorb and reradiate infrared energy warming earth
omnivore
organism that feeds off of plants and meat