1.
the tragedy of the ____
2.
practices that maintain the environment
3.
the lines on a topographic map
4.
the non-living factors in an ecosystem
5.
where an organism lives
6.
a biome with lots of rain and warm temperatures
7.
energy flows through an ecosystem
8.
makes energy from the sun
9.
the energy percent lost at each trophic level
10.
liquid water falling from the sky
11.
water soaking into the ground
12.
carbon released by death
13.
plants get carbon from the air
14.
animals release nitrogen based waste
15.
the type of succession that make soil
16.
the factors that prevent unlimited population growth
17.
the maximum population is the carrying ___
18.
one organism benefits while the other is harmed
19.
the variety of life in an ecosystem
20.
the species the keeps the ecosystem from collapse
21.
a population about to disappear
22.
sea otters impacting the growth of kelp forests
23.
all of the rain drains into a single body of water
24.
underground water source
25.
organisms the drift in water
26.
where water covers the soil
27.
water pollution from one specific location
28.
pollutants accumulate up the food chain
29.
combination of smoke, gases, and fog
30.
the sprawl of a city into the surrounding environment
31.
shared land used for grazing livestock
32.
a type of surface water cannot infiltrate
33.
energy source that can be replaced
34.
energy from plants and animals
35.
machine the converts movement to electricity
36.
carbon based fuel used for gasoline
37.
nuclear power the splits atoms
