Unit 1. Env. Sci

32 flashcardsby Santiago
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1
What word refers to a singular organism?
Individual
2
What word refers to a group of individuals of th same species?
Population
3
What’s a space in which living and nonlivng things coexist?
Ecosystem
4
What’s a large area with simila climate conditions? (Determines the animals and plants there)
Biome
5
What relationship benefits both organisms?
Mutualism
6
What relationship benefits one organism and doesn’t impact the other?
Commensalism
7
What relationship benefits one organism and negatively affects the other?
Parasitism
8
What word refers to different species using the same resource in different ways as a means to reducing competition?
Resource Partitioning
9
What kind of partitioning involves the time of day?
Temporal Partitioning
10
What kind of partitioning involves different areas of a shared habitat?
Spatial Partitioning
11
What kind of partitioning involves different body parts to use different resources?
Morphological Partitioning
12
What cycle moves molecules (such as glucose or CO2) that contain carbon? (Fossil fuel combustion, sedimentation)
Carbon Cycle
13
What place is a reservoir of carbon?
Atmosphere
14
What process removes CO2 from the atmosphere to convert it to glucose?
Photosynthesis
15
What is nitrogen necessary for?
DNA and Amino Acids
16
What place is a reservoir of nitrogen?
Atmosphere
17
What process converts nitrogen into usable ammonia or nitrate for plants?
Nitrogen Fixation
18
What process involves the excess use of fertilizer, releasing NH3 gas into the atmosphere?
Ammonia Volatilization
19
What things are reservoirs of phosphorus?
Rocks
20
Can phosphorus enter the atmosphere?
No
21
What is phosphorus useful for?
DNA, ATP
22
Why does it take a while for plants to obtain phosphorus?
Rock weathering takes a while
23
What is the rate of solar energy turned into organic compounds? (Rate of photosynthesis over time)
Primary Productivity
24
What word refers to the energy lost through photosynthesis?
Respiration Loss
25
What is the total solar energy plants convert to glucose?
Gross Primary Productivity
26
What is the leftover energy for consumers after plant respiration?
Net Primary Productivity
27
What percent of solar energy is used and made to GPP? What percent of that percent is converted to NPP?
1%; 40%
28
Can matter or energy be created/destroyed?
No, they can change forms
29
What rule states only 10% of energy moves up the next level of the food chain?
10% Rule
30
Are food chains linear?
Yes
31
Are food webs linear?
No
32
What word refers to a ripple effect on lower trophic levels that is caused by the addition/subtraction of an apex predator?
Trophic Cascade
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