Unit test/BA Flashcards
what is the equation for photosynthesis?
CO2+H2O——–> C6H2O6+O2
(Sunlight). (Glucose)
What is the source of all energy in any ecosystem on Earth?
The son
what is the energy source in photosynthesis?
Sunlight
What are some disruptions that occur in an environment when certain organisms are removed from the ecosystem?
Overpopulation of some species, a niche may not be taken care of
How does matter cycle through an ecosystem?
matter gets cycled from environment to organisms and back again
Describe the nitrogen cycle
The nitrogen moves back and forth between the atmosphere and living things
describe the carbon cycle
Includes open burning, respiration, photosynthesis, death and decay, and pollution
What is nitrogen fixation and how does it work?
It changes nitrogen gas from the air into nitrate that plants can use to grow
how is energy stored in an ecosystem?
in the cells of the organisms
what’s the difference between the law of conservation of matter and law of conservation of energy?
Energy cannot be recycled and is converted into a form we can’t use. matter can be recycled
abiotic
not living
biotic
living
mutualism
both species are benefitted
commensalism
one species benefits and the other one is not affected
parasitism
one species is harmed and the other is benefitted
carnivore
meat eater
herbivore
to eat plants
omnivore
both plant and meat eater
autotroph
self consuming
heterotroph
different consumption
food web
a web that shows the energy flow between organisms
food chain
a series of tropic levels that shows the energy flow between organisms
tropic level
feeding step
producer
something that makes it’s own food
