One way nitrogen is converted into a form usable by plants
What is lightning or bacteria?
200
Lots of precipitation, poor soil, hot
What is a tropical rainforest
200
A trait that gives an individual an advantage in survival and reproduction
What is an adaptation?
200
The layer in the ocean with the most biodiversity
What is the coastal zone
200
Cause of the seasons
What is the tilt of the earth
300
2 components of soil
What is weathered rock, decomposed organic matter
300
Why fires do not destroy prairies
What is extensive root systems?
300
One of the requirements for natural selection to occur
What is heritability, differential reproduction, variation
300
A ecological service provided by wetlands
What is replenish streams during dry periods, recharge aquifers, habitat for variety of species (biodiversity), filter and degrade pollutants, reduce flooding and erosion
300
Cause of coral bleaching
Death of zooxanthellae, rising or warming seas
400
1 component of acid deposition
What is NOx and SOx
400
The gas melting permafrost releases thereby accelerating global warming
What is methane?
400
The order in which the following evolved: eukaryotic cells, prokaryotic cells, multicellular organisms, vertebrates
What is P, E, M, V
400
A deep clear lake low in nutrients
What is oligotrophic
400
The aquatic life zone where you would find the lowest DO
What is abyssal
500
The amount of energy transferred to the next trophic level in a food chain
What is 10%
500
The 2 most important factors in determining a biome
What is temperature and precipitation
500
how catastrophes like asteroid impacts are a good thing
What is: open up opportunities for evolution by natural selection of new species, shift location of ecosystems.
500
Cause of cultural eutrophication
What is excessive nutrients (P, N) entering the watershed, ex. runoff from lawns, fertilizer and decaying organic matter
500
Characteristic and cause of an urban microclimate
What is lack of wind- skyscrapers. Warmer- automobiles, building materials absorb heat. more haze and smog- motor vehicles and climate control systems