After testing a laundry detergent's efficacy, the researcher recorded that the stain looked better. Is this a qualitative or quantitative characteristic?
Qualitative
What type of graph is best for showing the rate of change in something over time?
Line graph
How are herbivores and carnivores alike?
They are all heterotrophs
Where does 90% of the energy in a trophic level go?
Lost to heat
What is the average conditions of the atmosphere in a particular area called?
Climate
On a line graph, where would you find the independent variable?
x-axis
What type of laboratory equipment is best for measuring volumes accurately?
Graduated cylinder
What is the term for each step in the transfer of energy and matter within a food web?
Trophic level
Carbon cycle
What type of organisms would you find in a climax community?
Plants, animals, and fungi which, through the process of ecological succession in the development of vegetation in an area over time, have reached a steady state.
Qualitative: River appeared muddier.
Quantitative: Water rose 6.3 inches.
What does it mean if the line on a line graph is horizontal?
No change in the dependent variable.
Why can matter be recycled in the biosphere?
All living things are composed of Oxygen, Hydrogen, Carbon, and Phosphorus. An organism consumes food materials. Then that organism is eaten. The matter in the 1st is moved into the 2nd. After the 2nd dies, its matter is broken down into the dirt or consumed by other organisms.
When does primary succession occur?
Primary succession occurs on newly exposed surfaces, i.e. volcanic activity, glaciers, etc.
Where are fossils most likely to be found?
Sedimentary rock
Explain raw data.
Raw data is new data that has not been analyzed yet.
What are 2 ways that primary producers make their own food?
Solar (photosynthesis) and chemical processes
What are the biotic aspects of an organism's niche?
-When and how it reproduces
-The food it eats
-The way in which it obtains food
Identify at least one food chain in the following food web.

Grass - Mouse - Snake - Hawk
Grass - Rabbit - Snake - Hawk
Wildflowers - Rabbit - Hawk
What did rusted layers of iron in sedimentary rock tell geologists about the chemical composition of the oceans long ago?
It told geologists that the early oceans contained large amounts of soluble iron and little oxygen.
Explain precision and accuracy.
Precision: Data whose values are close together.
Accuracy: Data whose values are close to the desired value.
Measure line A in millimeters.
Measure line B in centimeters.
Line A: 128 mm
Line B: 18.7 cm
What is the volume of water in the cup?
23 mL
Put the following ecological levels in order from most specific to broadest.
Biosphere
Species
Ecosystem
Biome
Community
Population
Species
Population
Community
Ecosystem
Biome
Biosphere
Define the following terms:
Parasitism
Commensalism
Mutualism
Parasitism: Symbiotic relationship in which one organism lives on or inside another organism and harms it
Commensalism: Symbiotic relationship in which one organism benefits and the other is neither helped or harmed
Mutualism: Symbiotic relationship in which both species benefit from the relationship