Ecosystems
Food Chains & Food Webs
Trophic Levels & Energy Pyramids
Biogeochemical Cycles
RANDOM!
100
Of this list of items found in a self-contained ecosystem, which ones are the BIOTIC factors that are considered heterotrophs?
Soil, water, crickets, bottle, strawberry plant, grass, rollie pollie, sunlight, snail, daisy
crickets, rollie pollie, snail
100
Make a food chain from the following organisms & label the trophic levels:
phytoplankton, orca, minnow, seal
Phytoplankton(producer)->minnow(p.consumer)->seal(s.consumer) -> Orca(t.consumer)
100
Organisms that eat primary consumers are called:
Secondary consumers (carnivores)
100
What is the process in the nitrogen cycle in which nitrogen gets put into the soil by bacteria?
Nitrogen Fixation
100
The term to describe all of the matter in living organisms.
What is biomass
200
Of this list of items found in a self-contained ecosystem, which ones are the BIOTIC factors that are considered producers?
Soil, water, crickets, bottle, strawberry plant, grass, rollie pollie, sunlight, snail, daisy
strawberry plant, grass, daisy
200
Make a food chain from the following organisms & label the trophic levels:
grass, mountain lion, grasshopper, mouse, coyote
grass (producer)>grasshopper(p.consumer)>mouse(s.consumer)>coyote(t.consumer)>mountain lion(q.consumer)
200
What percent of energy is passed up each trophic level?
10%
200
What is the process in the Carbon Cycle that removes CO2 from the atmophere?
Photosynthesis
200
Organisms that feed on the material left behind from decomposers are called _____________.
What are detritivores.
300
Name the two processes that producers could use to make food.
What are chemosynthesis and photosynthesis.
300
what trophic level are all of these organisms?
Primary Consumers
300
If there is 150,000kcal of energy at the primary consumer level, how much will the hawk (tertiary consumer) recieve?
1,500 kcal
300
What is the process in the water cycle where water leaves plants?
Transpiration
300
What process do bacteria do that puts nitrogen back into the atmosphere?
Denitrification
400
What TWO ecological terms could be used to describe a sunflower
Producer, autotroph
400
What populations would DECREASE if you removed the bald eagle?
Butterfly & Worm
400
Make an energy pyramid showing how energy is passed in this food chain. The flower starts with 10,000kCal- write how much energy is passed up each level
Heron-10
Frog-100
Butterfly-1,000
Flower-10,000
400
When water beads up on the sides of your self-contained ecosystem, what process in the water cycle is this?
Condensation
400
What is happening in:
1.
2.
6.
1. evaporation
2. transpiration
6. infiltration
500
What FOUR terms could be used to describe an squirrel (that eats small insects and plants and nuts)?
Omnivore, heterotroph, secondary consumer, primary consumer
500
List what would happen to the populations of the following if you removed the snake:
1. the bald eagle
2. the bird
3. the plant
1. decrease
2. increase
3. decrease
500
Make a trophic pyramid from the following organisms. The producer begins with 750,000kcal of energy.
ladybug, snake, squirrel, berry plant, hawk
hawk-75kcal
snake-750kcal
squirrel-7,500kcal
ladybug- 75,000kcal
berry plant- 750,000kcal
500
What are the 2 main processes in the Carbon Cycle & which organisms do these processes?
Photosynthesis (producers) & Respiration (consumers)
500
Draw out the carbon cycle include the labels:
photosynthesis, respiration, decomposition, combustion (fossil fuels)
