Name: _______________________
Environmental Science Midterm Exam Review
Directions: Using your notes, website, and textbook, go through and fill out this study guide. Make
sure to fully define and vocabulary and concepts.
Metric Unit: Length, Area, Volume, Density
o Metero Solido Gaso Liquido Weighto Masso Kilogramo Graduated Cylindero Metric System vs. English Systemo Area 32m x 3m = __________ (UNITS!)
o Volume 3m x 4m x 1m = __________ (UNITS!)
o Density Volume = 45m3
Mass = 5kg Density = ________________ (UNITS!)
o Metric Conversions 1km = ______m
 1m = ______cm
 1cm = ______mm
 1m = ______mm
 50cm = ______mm
 24mm = ______cm
 2 km = ______m
 1500mm = ______cm
Populations: Counting and Changing Populations
o Populationo Population densityo Censuso Plot censuso Sample censuso True censuso Transecto Mark-Return-recaptureo (be able to calculate the population using the equation)
Estimated population = Tf X Tl
M
o Be able to determine which sample method would be most appropriate for a situation
 What method would you use to determine the number of crickets in your yard?
 What method would you use to determine the number of teachers at PHS?
 What method would you use to determine the number of Oak trees in small patch
of woods behind school?
 Number of Hemlock trees in Swallow Falls State Park?

o Limiting Factorso Carrying Capacity (K)o Be able to determine a carrying capacity graph
_____________________________________________________________________________
Biomes:
Define the following:
Tundra
Desert
Prairie
Savanna
Succulent
Humus
Lichens
Tufts
Sod
Bunch grasses
Leaching
Vertical feeding pattern
Make sure to write the characteristics for each forest biome!
o Coniferous Foresto Deciduous Foresto Rain Foresto Given a situation, be able to tell which biome the situation is describing
 The biome we live in?
 This biome is the most biodiverse in the world?
 This biome has the coldest weather?
Environment: Terms about Ecology
o Environmento Nutrientso Autotrophso Heterotrophso Terrestrialo Aquatico Cultureo Biotico Abiotico Ecosystemo Microbeso Endangered
o Extinct
o Threatened
o Candidate species
o List the three primary causes of endangerment
o Introduced species
o Invasive species
Define the six processes of the water cycle
Define the three processes of the carbon/oxygen cycle
Habitats: Be able to classify an organism by its niche and be able to describe an organism’s habitat
o Nicheo Habitato Predatoro Scavengero Carnivoreo Omnivoreo Herbivore-