Energy Transformations
Food Chains
Food Webs
Energy Pyramids
Photosynthesis
100
What energy transformation happens when a student eats and digest a bag of Takis? (spicy food)
Chemical to thermal
100
What do the arrows represent in this food chain?
The flow of energy
100
Which organisms in the food web represent the tertiary consumers?
Hawks and Coyotes
100
What percentage of energy is transferred from one trophic level to another?
10%
100
What are the 3 reactants for photosynthesis?
sunlight, water, Carbon Dioxide
200
What energy transformation happens during photosynthesis?
Radiant to chemical
200
What direction does energy flow in a food chain?
From left to right
200
If there is a increase in the rat population of the food web, what will happen to the rest of the ecosystem?
the cacti will increase in population
200
What percentage of energy does producers contain?
100%
200
What is the trophic level of this organism?
Producer
300
What energy transformation happens when a cheetah chases and zebra, then consumes it?
mechanical to chemical
300
What trophic level is the snake?
4
300
What two organisms in this food web have the highest amount of options for food/energy
The owl and the eagle
300
If the producers contain 1450 Kcal, about how many calories will the secondary consumers get?
14.5
300
What are the 2 products of photosynthesis?
Glucose ( sugar/food) and oxygen
400
What energy transformation happens when gas is put into a car to make it run?
Chemical to mechanical
400
What is the primary consumer in this food chain?
The grasshopper
400
Which organisms contains the most energy?
grass and shrub
400
What direction does energy flow in an energy pyramid?
from bottom to top
400
What is the purpose of plants performing photosynthesis?
To create their own food
500
What energy transformation occurs as a decomposer breaks down dead organisms?
chemical to thermal
500
If the wheat begins with 100% of the energy in this food chain, how much energy is available for the snake?
.1%
500
which organism gets the most amount of energy originally produced by the pants?
grasshopper, caterpillar, wasp
500
Where is the most amount of energy located in this food pyramid?
the bottom
500
After decomposers release nutrients back into the soil, what organisms benefit from it?
plants/ producers