special name for as leaf litter and other matter intermixed with the soil, which is referred to as humus; debris that is consumed by detritivores
What is detritus?
100
similar to grassland, but it is more tropical and found in places like Northern Africa
What is savanna?
100
what happens over 18 year cycles and very slightly increases or decreases the change of seasons
What is nutation?
200
An "s" shaped curve is a ___________ growth curve.
What is logistics?
200
keplers 2nd law is nicknamed
What is law of equal areas?
200
the dry weight of all organic matter contained in its organisms
What is biomass?
200
nickname “the frozen desert”
What is tundra/arctic/polar?
200
meaning of "aesthetical value"
What is beauty?
300
What type of growth curve is expected of invasive species?
What is exponential?
300
EMR from the sun includes these three types
What is infrared, visible light, and some UV?
300
A population that is above the carrying capacity will have a ____________ in natural resources.
What is decrease?
300
biome has trees that lose their leaves in winter (like Maple trees)
What is deciduous forest?
300
has very poor soil despite having the most biodiversity of any biome
What is tropical rainforest?
400
Which has been least affected by human population growth?
a.) energy
b.) minerals
c.) freshwater
d.) arable land
What is minerals?
400
keplers third law is nicknamed
What is law of harmonies?
400
An increase in the amount of acid rain can change the pH of the soil in an ecosystem is an example of a(n) ________________ factor.
What is abiotic?
400
the flat land and fertile soil in this biome makes it easy to grow lots of corn crops; midwest of U.S.
What is grassland?
400
percentage of usable energy transferred as biomass from one trophic level to the next highest trophic level
What is ecological efficiency?
500
What type of growth curve is more common and why?
What is logisitics because everything has a carrying capacity and can't grow exponentially forever?
500
__________ occurs because the plane of the moon’s orbit is tilted from the Earth’s elliptical plane causing the tilt to change the direction in which it is pointing.
What is precession?
500
feeding levels are also called this
What are trophic levels?
500
has mostly coniferous trees (like Evergreen trees) (another name for it than coniferous)
What is boreal forest or taiga?
500
________________ Diversity, which includes the biological and chemical processes such as energy flow and matter cycling needed for survival