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;
45 Cards in this Set
- Front
- Back
|
criteria
|
certain requirements
|
|
|
food web
|
a diagram that consits of many connected food chains in a community.
|
|
|
energy pyramid 2
|
solar energy- producer, heat- consumer, heat- decomposer
|
|
|
environment
|
surroundings; the whole complex of factors (as soil, climate, and living things) that influence the form and the ability to survive of a plant or animal or ecological community.
|
|
|
carrying capacity
|
the maximum (optimum) amount of animals of each species that an evironmental ecosystem can provide for
|
|
|
population
|
the total number of any one species living in a community
|
|
|
6 terrestrial biomes
|
tundra, taiga, Grassland (savannah, temperate), temperate forest, tropical rainforest, desert
|
|
|
abioric factors
|
physical factors that limit an organism in a habitat/community/environment
|
|
|
two laws of thermodynamics
|
1. energy cannot be created or destroyed
2. energy is always moving downhill; it can be lost but not gained |
|
|
consumer
|
is a organism that hunts and kills its food
|
|
|
adaptation
|
a genetically controlled characteristics that aid and organism to survive and reproduce in the environment it in habits
|
|
|
carnivore
|
an organism that only eats meat
|
|
|
death rate
|
number of individuals that die over length of time- rate of a species death
|
|
|
food chain
|
a reprentation of food energy and mass being transferred from one organism to the next.
|
|
|
birth rate
|
the rate of how fast organisms are born - # of individuals born over time
|
|
|
producer
|
an organism (usually plants) that create their own food by using solar energy
|
|
|
acute event
|
event that only effects an ecosystem for a short period of time
|
|
|
Immigration
|
movement into a community
|
|
|
chronic event
|
an event that effects the environemt for along period of time (overtime)
|
|
|
list abiotic factors
|
Rainfall (water)
Heat soil light and air |
|
|
species diversity
|
the approximate number of different species in a biome
|
|
|
habitat
|
the place where a species of plant or animal normally lives (specific organisms)
|
|
|
aquatic
|
water
|
|
|
predator
|
an organism that hunts and kills prey
|
|
|
movement of pollutants through food chain
|
Pollution moves through food chain quickly, and increases as it goes up in the pyramid
|
|
|
Niche
|
an organisms's role in an ecosystem which includes everything the organism does and everything it needs in an ecosystem.
|
|
|
balance of nature
|
the steady conditions n the natural environment which keep organisms populations realitily constant
|
|
|
prey
|
an organism that is hunted by a predator
|
|
|
terrestrial
|
land
|
|
|
omnivore
|
an organism that eats plants and meat
|
|
|
2 aquatic biomes
|
salt/fresh water
|
|
|
decomposer
|
decomposes or breaks down dead plants and animals
|
|
|
ecosystem
|
is a community of organisms that interact with each other and which are limited by physical factors in their environemt
|
|
|
ecology
|
the study of organisms in their natural environment
|
|
|
conservation
|
the preservation and protection of natural resources and organisms
|
|
|
Community
|
all living things in a certain area
|
|
|
herbivore
|
an organism that only eats plants
|
|
|
energy pyramid
|
a diagram that shows how energy is used in a food chain; each successive level of the pyramid that has less energy.
|
|
|
competition
|
interavtion- the simultaneous demand by two or more organisms for limited environmental resources
|
|
|
emigration
|
movement out of a community
|
|
|
scavengers
|
an organism that eats dead ans decaying organisms
|
|
|
cooperation
|
interaction- an act in which two or more organisms work together to survive
|
|
|
territory
|
a certain are defended by animals
|
|
|
biotic factors
|
interaction between living organisms in their environment/community/habitat
|
|
|
nocturnal
|
being active at night
|
