Download Ecology Biomes - Peterson Science

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Word
ecosystem
habitat
biotic factors
abiotic factors
population
community
ecology
population density
immigration
emigration
limiting factor
carrying capacity
niche
competition
15 predator
16 prey
17 symbiosis
18 mutualism
19 commensalism
20 parasitism
21 scavenger
22 decomposer
23 food chain
24 food web
25 energy pyramid
Definition
all the living and nonliving things that interact in an area
the place where an organism lives and that provides the things the organism needs
living parts of an ecosystem
nonliving parts of an ecosystem
all the members of one species in a particular area
all the different populations that live together in an area
the study of how living things interact with each other and their environment
the number of individuals in a specific area
moving in to a population
leaving a population
an environmental factor that prevents a population from increasing
the largest population that an area can support
an organism's particular role in an ecosystem, or how it makes its living
the struggle between organisms for the limited resources in a habitat
a carnivore that hunts and kills other animals for food and has adaptations that help
it capture the animals it preys upon
an animal that a predator feeds upon
a close relationship between 2 organisms in which at least one of the organisms
benefits
a type of symbiosis in which both partners benefit from living together
a relationship between 2 species in which one species benefits and the other is
neither helped or harmed
a relationship in which one organism lives on or in another and harms it
a carnivore that feeds on the bodies of dead organisms
an organism that breaks down large chemicals from dead organisms into smaller
chemicals and returns important materials to soil and water
a series of events in which one organism eats another
the pattern of overlapping food chains in an ecosystem
a diagram that shows the amount of energy that moves from one feeding level to
another in a food web
Synonym
interaction
home
living
nonliving
one species
all species
ecosystem science
how many
in
out
prevent growth
maximum support
job
fight
hunter
victim
relationship
both help
1 help
1 hurt
vulture
bacteria
chain
web
pyramid
26 nitrogen fixation
27 biome
28 nitrogen cycle
29 nocturnal
30 diurnal
31 tundra
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desert
grassland
forest
marine
primary consumer
secondary consumer
tertiary consumer
trophic level
40 detritus
changing free nitrogen gas into a usable form
a group of ecosystems with similar climates and organisms
the process by which nitrogen (a nutrient essential for plant growth) is changed from
one form to another; removed from the air and fixed into the soil for biological use
active at night
active during the day
a type of biome where the tree growth is hindered by low temperatures and short
growing seasons
a barren area of land where little precipitation occurs and consequently living
conditions are hostile for plant and animal life
an area populated by grasses that gets 25 to 75 cm of rain each year
a broad term used to describe areas where there are a large number of trees
an area covered by salt water/oceans
an animal that feeds on plants
a carnivore that feeds only upon herbivores
a carnivore at the topmost level in a food chain that feeds on other carnivores
the position an organism occupies in a food chain
dead particulate organic material; typically includes the bodies or fragments of dead
organisms as well as fecal material
nutrient
geography
nutrients
night
day
Alaska
Arizona
Kansas
trees
ocean
herbivore
3rd tropic level
4th tropic level
energy pyramid
waste