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Feed Me, What’s the Climate
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This level of organization contains
organisms that can produce fertile
offspring and live in a defined area
Population
These the levels of nutrition in a
food chain.
Trophic levels
This is the level of organization
containing groups of several species
in an area.
Community
Several ecosystems with similar
communities and same climate make
up this.
A biome
These organisms are likely at the
top of the food chain, yet do not
hunt and kill.
Scavengers
These organisms can make their own
food from sun energy or chemicals.
Autotrophs
These organisms feed upon plants
and animals
Omnivores
An ecosystem contains 34,640
Calories at the bottom trophic level.
How many Calories are available to
the third trophic level?
346.4 Calories
These organisms are at the first
trohpic level
Producers/ Autotrophs
Theoretically, a food chain could
have infinite trophic levels.
Realistically, why can’t it?
If only 10% is passed up to the next
level, so little energy would get to
those high trophic levels that they
would be required to eat too much
biomass to be satisfied (they would
never stop eating).
Water enters the atmosphere through
these two processes
Evaporation and transpiration
Organisms need nutrients in order to
do this
Carry out life processes
Nitrogen is made into a form that
plants can take in by this organism
bacteria
What are 3 of the 4 ways that
carbon enters the atmosphere?
Volcanic eruption
exhalation of organisms
burning of fossil fuels
CO2 in ocean being released
This nutrients is essential for nucleic
acids (DNA) and it never enters the
atmoshpere.
Phosphorus
Define weather and climate.
Weather is day to day conditions
Climate is an average of temperature
and precipitations for an area
The tropical rain forest, tropical dry
forest, and tropical savanah all lie
within these latitudes.
23.5 N and 23.5 S
Water heats and cools (slower or
faster) than land.
slower
These gases (list them) are
responsible for keeping our climate
livable on Earth.
CO2, water vapor, methane
These two biomes receive the least
amount of precipitation annually
Tundra and desert
This term refers to two organisms of
a different kind living closely where
one benefits and the other is neither
helped nor harmed
commensalism
This term refers to two organisms of
a different species living closely
Symbiosis
List three ways humans threaten
biodiversity.
Demand for wildlife products
Habitat destruction
Pollution
Introducing Non-native species
After a fire, the steps to
rebuilding a community here is
described as this.
Secondary succession
There are tiny unicellular
organisms called zooflagellates
living in the intestines of termites
allowing them to digest cellulose
from wood. What kind of
relationship is described here?
mutualism