Ecoclogy Flashcards
Photosynthesis
what does chlorophyll do?
is the green in a planet and it converts light energy into chemical energy during the day
difference between photosynthesis and cellular respiration
p=converts sunlight, CO2, and water into glucose and oxygen
cr=breaks down glucose to release energy (ATP) producing CO2 and water
Density
affects growth rate of a population due to how crowded it is
Density formula
D=m/v
Niche
is a job in an ecosystem
ex) finding food, habitat, relationship
Types of Ecosystem
terrestrial (desert, forest)
aquatic
manmade
Ecosystem
connecting with biotic community and abiotic environment
What is each step of a food chain/ web called
trophic levels
overexploitation
over - harvesting, fishing, hunting
parasite
an organism that lives in another harming it
Habitat loss
destroying habitats from humans and not replacing it
2 types of competition
interspecific
intraspecific
interspecific
2+ families beefing
intraspecific
beef between 1 family
biomagnification
increase of toxins through trophic levels
bioaccumulation
increase of harmful toxins in 1 anima
why are scientists scared of extinction
extinction is normal but human activity increased it
Earth’s forehead
lithosphere, hydrosphere, biosphere, atmosphere
how are invasive species controlled
chemically
biologically
mechanically
species richness
the # of species in a community
main greenhouse gases
CO2
Carbon vapour
methane
what humans are doing to mitigate
reducing the use of energy
using public transport
use renewable resources
the effects of climate change
more droughts/floods
increase of temp.
serve weather
loss biodiversity
carrying capacity
is the max. population that can be sustained with the available resources
some reasons populations decrease and increase
D=not enough food and room
I=lots of room mates
lots of food
factors affecting biodiversity?
density
anthropogenic factors
competition
habitat loss
parasites
overexploitation
energy pyramid
amount of energy that is available to the level of the food chain
APEX
SECONDARY
PRIMARY
PRODUCERS
original source of energy in a food chain
sun
anthropogenic factors
human activity that harms the environment
wildlife exploitation
animals that are killed by humans
it has a great hold on the population
food chains
is a series of steps in which organisms transfer energy
food webs
has all the food chains of an environment
3 types of consumers
herbivores, carnivora and omnivores
equilibrium
a balance between all organisms and their needed resources
climax community
populations of plants or animals remain stable and exist in balance with each other and their environment
ecological footprint
the amount of energy and resources a human uses
biotic
living things in an environment
abiotic
non-living things in an environment
