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WorksheetsEnergy Flow
Total questions: 45
Worksheet time: 43mins
What is a food chain?
The flow of energy from one thing to another
The way animals eat each other
The way the sun makes everything
How the plants grow
What animal is on the top of the food chain?
Grass
Grasshopper
Mouse
Owl
What is a decomposer?
Food webs show you everything an animal eats. Food chains show you one thing.
which one is a Producer?
What is a fitting description for this diagram?
The Mayfly is a food source for which 3 organisms?
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
There would be a decrease in the small bird population.
There would be a decrease in the grass/flowers population.
There would be a decrease in the mice population.
There would be an increase in the grass/flowers population.
Which organism in the food web shown to the right would
contain the lowest concentration of chemical pollutants?
producers
primary consumers
secondary consumers
tertiary consumers
The phenomenon by which toxins concentrate in the organisms at higher trophic levels within an ecosystem is known as...
Biotoxicity
Biomagnification
Eutrophication
Predation
Consider the following food chain:
Algae > Mayfly > Minnow > Trout
In a polluted ecosystem, which organism would likely have the HIGHEST level of toxic chemicals in its body?
Algae
Mayfly
Minnow
Trout
Pesticides and herbicides eventually show up in higher-level consumers (i.e. as you go up the food chain) due to
biomagnification
climate change
habitat destruction
bioaccumulation
Toxin concentrations _____________ as you go up the food chain.
do not change
increase
decrease
The products of photosynthesis are...
glucose and oxygen
carbon dioxide and water
___ is the process that cells use to take energy from glucose.
cellular respiration
photosynthesis
transpiration
excretion
The ___ is the cell part (organelle) inside cells where cellular respiration happens.
mitochondria
chloroplast
nucleus
ribosome
What two things are needed for cellular respiration to happen in a cell?
glucose & oxygen
water & carbon dioxide
oxygen & carbon dioxide
glucose & water
Which of the following is the word equation for cellular respiration?
glucose + oxygen ---> ATP + carbon dioxide + water
carbon dioxide + water ---> ATP + glucose + oxygen
glucose + water ---> ATP + carbon dioxide + oxygen
glucose + carbon dioxide ---> ATP + oxygen + water
