Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
ecology
|
study of relationships between organisms and their environment
|
|
|
organism
|
any form of life
|
|
|
population
|
group of interacting in individuals of same species
|
|
|
community
|
populations of different species in an area
|
|
|
ecosystem
|
community + non living environment
|
|
|
ecosphere (biosphere)
|
all Earth's ecosystems
|
|
|
abiotc
|
non-living
|
|
|
biotic
|
living
|
|
|
example of ecosystem
|
patch of woods
lake/pond farm field |
|
|
trophic level
|
position that organism or a group of organisms occupies in a food chain
(producers and consumers) |
|
|
producers
|
-autotrophs
-make their own food from compounds obtained in the environment -capture sunlight to make sugars and organic compounds by photosynthesis |
|
|
chemoautotroph
|
mostly bacteria
convert simple compounds into complex nutrients (chemically) W/O sunlight |
|
|
respiration and photosynthesis
EQUATIONS |
|
|
|
who uses aerobic respiration
|
consumers use this
|
|
|
types of consumers
|
primary, secondary, tertiary, carnivore, scavenger, detritivore, decomposer, omnivore
|
|
|
primary consumer
|
herbivore
feeds directly on plants/producers ex: deer, giraffe etc |
|
|
secondary consumer
|
carnivore
feeds on primary consumers ex: cat, snake, bear etc |
|
|
tertiary consumer
|
top consumer (top of food chain)
feeds on carnivores ex: shark, tiger, etc |
|
|
omnivore
|
consumer that feeds on producers + consumers
ex: humans, some birds |
|
|
scavenger
|
feeds on dead organisms
ex: vulture, racoon |
|
|
detritivore
|
feed on detritus (partially decomposed organic matter)
ex: worm, beetle |
|
|
decomposer
|
consumer that breakdown and recycle organic matter from the remains and waste of other organisms
ex: fungus, bacteria |
