Food webs
Give a few examples of a producer ON LAND
Grass, clover, tree, dandelion, orchid, any plant
Where are decomposers found on an energy pyramid?
Decomposers can be found on all levels of the energy pyramid.
Give a few examples of a producer IN WATER (could be fresh water or marine)
Algae, diatoms, phytoplankton, seaweed, water lilies, etc
T/F: Energy is lost as you go up the energy pyramid
True
Define bioaccumulation
A chemical cmpd or toxin concentrating, accumulating in an organism
Which way do the arrows always point to?
Arrows always point to the higher-level consumer
True or False?
Food chains end with consumers.
True. Food chains show organisms that eat other organisms in an ecosystem.
T/F: Autotrophs = Producers
True
Complete the statement:
In an energy pyramid, energy ______ as you move up the pyramid.
decreases
Define biomagnification
The increase in concentration of a pollutant or pesticide in organisms at increasingly higher levels in a food chain
What are the consumers called who eat primary consumers?
Secondary consumers
Primary, secondary, tertiary
Heterotroph examples
rabbit, praying mantis, mountain lion
True or false?
Energy is lost as you move up the energy pyramid.
True. Energy is released in each level of a food pyramid.
Fill in the blank:
Food webs show ___________between organisms in an ecosystem.
interrelated connections; relationships
True or False?
Heterotrophs have more energy available than autotrophs.
False. The most energy is stored in autotrophs - the producer level.
What's the difference b/w an photoautotroph and a chemoautotroph?
Photo- uses sunlight to make its food. Chemo- uses inorganic compounds like hydrogen sulfide, S, ammonia, etc--> to eventually make their own carbohydrates (ie, food)
Why is it that there is only 3-4 consumer levels of an NRG pyramid?
Which species has the highest biomass in the ocean--algae or shark?
Algae