Food Chains &
Food Wbs
Food Wbs
the first level in a food chain and food web
What is a Producer
what is always on the bottom of the pyramid
what is the producers
The main way humans and animals return CO2 back into the atmosphere
What is respiration (breathing)
The main reservoir of phosphorus on Earth
What is Sedimentary rocks (and minerals)
how energy enters the ecosystem
what is the Sun
shows the many relationships between producers and a number of consumers in an ecosystem
what is a food web
as you go up an energy pyramid, the number of each species _____
what is decreases
The only way CO2 is taken from the atmosphere
what is Photosynthesis
What 2 things are responsible for nitrogen fixation
What are bacteria and lightning
True or False: A flower is an abiotic factor
What is False
True or False: a food chain shows one direct path from producer to consumers
What is True
the amount of energy that moves onto the next trophic level
what is 10%
Define Infiltration
what is the process that water seeps into the ground
The main difference between the Phosphorus cycle from the other three
What is the in the Atmosphere
What can an autotroph (producer) do that a heterotroph (consumer) cannot
what is make their own food
In this food web (I'll pull up the pic)
this animal has the most predators...
what is the mouse
the energy that is not transferred to the next trophic level is given off as _____
what is heat
Combustion contributes to what negative phenomenon
What is Global Warming
What is N2 (atmospheric nitrogen)
the levels of organization are ...
1. Organism 2. Population 3. community 4. Ecosystem 5. Biome 6. Biosphere
breaks down the dead decaying material in a food chain and food web
what is a decomposer
If a producer start with 1000kcal of energy, how much is left after 3 trophic levels
what is 1.0 kcal
The process of returning water to the atmosphere from the leaves of plants
what is Transpiration
The process that changes N2 into NH4
what is Nitrogen Fixation
Communities are made of ...
what are different populations of different species