The hydrologic cycle is another name for the _____ cycle.
water
What term describes nitrogen-fixing bacteria that converts Nitrogen (N2) into ammonia (NH3)?
A. Nitrogen fixation
B. Assimilation
C. Nitrification
D. Denitrification
A. Nitrogen Fixation
TRUE OR FALSE: All of the carbon in existence is continually recycled in the carbon cycle.
TRUE
Phosphorus is commonly used in what energy molecule?
ATP (Adenosine Triphosphate)
A ____ ____ is a linear model and simple representation that shows energy flow from one organism to the next.
food chain
____ is when water vapor cools and collects to form clouds & water droplets begin to form.
A. Evaporation
B. Condensation
C. Precipitation
D. Transpiration
B. Condensation
Which of the following term matches the following description: Plants take-up nitrogen from the soil.
A. Nitrogen fixation
B. Assimilation
C. Nitrification
D. Denitrification
B. Assimilation
What are the two cellular process that causes carbon to enter the atmosphere?
Cellular Respiration & Photosynthesis
Does Phosphorus ever enter the atmosphere as a gas?
A. Yes
B. No
B. NO
Phosphorus never enters the atmosphere as a gas!!
A _____ does not rely on other organisms for energy. This is also known as an autotroph!
Producer
What are three different forms of precipitation?
rain, sleet, snow, hail
What percent of the atmosphere is Nitrogen?
78% AND it can't even be used!!
Respiration removes ____ from the atmosphere and produces and releases ____ to the atmosphere.
A. CO2 + O2
B. C6H12O2 + O2
C. O2 + C6H12O2
D. O2 + CO2
D. O2 + CO2
*Hint: Think of what protects the cell!
Only 10% of energy is passed to the next trophic level. Where does the other 90% of energy go?
The other 90% of energy is lost during metabolic processes!
The amount of water in the hydrologic cycle...
A. Varies
B. Remains constant
Organisms use Nitrogen for proteins as well as ___/____.
*HINT: think of genetics
DNA/RNA
Carbon enters a food web via _____ through the process of ______.
A. producers; photosynthesis
B. land plants; metabolism
C. producers; respiration
D. animals; respiration
A. producers; photosynthesis
Phosphorus is passed through the food chain. What type of consumers break down dead organic matter to release phosphorus?
Decomposers!
If a producer has 13,000 kcals, with the 10% rule, how many kcals would a secondary consumer have?
130 kcals
What is the process called when water evaporates on the leaves of plants?
Transpiration
What is the usable form of nitrogen?
Ammonia (NH3) from nitrogen fixation and ammonification!
Besides photosynthesis and cellular respiration, what is one of the two other ways carbon dioxide enters the atmosphere?
1. Burning fossil fuels
2. Volcanic eruptions
Hint: The weather affects this!
Rocks & sediment are weathered by rain or wind and phosphorus is released in this process!
What is the term for an organisms place/rank in a food chain, food web and/or energy pyramid?
trophic levels