Unit 1 Quiz

Ecosystem

community of living organism with the nonliving components of their environment, interacting as a system 

Biotic

Living

Abiotic

non-living

Competition

individuals from different species within the same species struggle compete to obtain the same limiting resource (negative, negative) 

Resource partitioning

occurs when species use limiting resources in different ways, places at different times, in attempt to reduce competition

Mutualism

means they both benefit (positive)

Symbiosis

a close long term interaction between two species in an ecosystem

Commensalism

is when only one benefit and the other does nothing (positive, 0)

Paraslism

one benefits the other does not (positive/negative impact)

Tundra

coldest biome, poor environment, closest to poles

Boreal Forest (Taiga)

dense, populated by evergreen needle tree

Temperate rainforests

found near oceans dominated by evergreen

Shrublands/woodlands

hot dry summer mild wet winters

Grassland

harsh winters, dominated by grass , hot dry summers

Tropical rainforest

warm, rainy, biodiversity high

Primary prodigy comes down to

vegetation

Photosynthesis:

products

Cellular respiration:

all life

Scavenger:

eat dead organisms

Decomposers:

break down dead organic material and turn it back into the ecosystem 

Carbon cycle main reservoir

ocean

Nitrogen cycle main reservoir

atmosphere

Phosphorus cycle main reservoir

sediments