Energy
How many directions does energy flow in?
1 direction
Animals that feed on both live plants and live animals are called:
Omnivores
The layer of the atmosphere that is closest to the earth is the
troposphere
The ______ cycle involves precipitation, transpiration, evaporation, and condensation.
Hydrologic
What is a complex feeding pattern represented by a system of interlocking and interdependent food chains in an ecosystem
Food webs
The conversion of solar energy into chemical energy occurs in what?
photsynthesis
Autotrophs are
Not consumers
Life on earth depends on the interaction of gravity, the one-way flow of energy, and the cycling of ______?
Matter
Two ways in which humans have most interfered with the carbon cycle are
burning fossil fuels and removal of forests
the center of the earth is called the
core
What is the rate of photosynthesis minus the rate of respiration?
Net Primary Productivity
What are organisms that feed only on live plants called.
Herbivores
A group of individuals of the same species occupying a given area at the same time is called a
population
Humans strongly affect the ________ cycle by boiling water while camping.
Hydrologic
The top of the upper mantle is also called the
crust
organisms that feed on both live plants and live animals
omnivores
Organisms that complete the final breakdown and recycling of organic materials from the remains or wastes of all organisms are called ____?
decomposers
What cycle involves precipitation, transpiration, evaporation, and condensation
Hydrologic water cycle
The nitrogen cycle that fix nitrogen into a usable form for plants occur in the ______
soil
The Conversion of solar energy into chemical energy is
What is photosynthesis
Flows in only one direction and is lost as it moves through an ecosystem
what is energy
What are humans
what is omnivore
What is the 10% rule
at each trophic level moving down, you lose 90% of energy from the previous level.
The steps of the nitrogen cycle that fix nitrogen into a usable from form for plants occur in the soil and are done by
what is bacteria
Life on earth depends on the interaction of gravity, the cycling of matter and
one-way flow of energy