UNIT ONE: Ecology
Chapter 3 Title: ___________________________________________________________________________________
Page 1
BIG IDEA: ____________________ ______________________ and _____________________ _____ _________________________ are factors that
determine where ___________________________ __________________ and __________________ _______________________________ exist.
Sec 3.1Title ____________________________________________________________
Main Idea: _________________________________________________________________________________________________________________________
Define the following Vocabulary Using Flashcards – community, limiting factor, tolerance, ecological succession,
primary succession, climax community, secondary succession
A. Community Ecology
A biological community is a ____________________ of ____________________________ ________________________ that ______________
the _______________ __________________ at the __________________ _____________________. Any ______________ factor or_____________
factor that _______________ the numbers, reproduction, or distribution of organisms is called a ________________ _________.
Abiotic limiting factors include ______________, _________________, ________________, ___________, _________________, __________,
__________ __________________, and ____________. Biotic limiting factors include ______________ ____________ such as
_________________ and _____________________. Range of Tolerance for any environment involves an _____________
________________and ______________ ________________ that defines the___________________ in which an organism can
__________________________. The ability of any organism to survive when subjected to _________________ factors or
________________factors is called tolerance.
B. Ecological Succession
The change in an ecosystem that happens when one ______________________replaces another as a result of
__________________ abiotic and biotic factors is __________________________ ___________________________.
There are two types of ecological succession—________________________ and __________________________________.
Example of Primary Succession ______________________________________________________________________________________.
Example of Secondary Succession ____________________________________________________________________________________.
Sec 3.2Title ____________________________________________________________
Main Idea: _________________________________________________________________________________________________________________________
Define the following Vocabulary Using Flashcards – weather, latitude, climate, tundra, boreal forest, woodland,
grassland, desert, tropical savanna, tropical seasonal forest , tropical rain forest
A. Effects of Latitude and Climate
___________________ is the condition of the ______________________ at a specific _________________ and _______________. The
average weather conditions in an area, including _____________________and _________________________, describe the area’s
___________________.
MAKE SURE YOU GIVE A BRIEF DESCRIPTION BESIDE EACH MAJOR LAND BIOME YOU FIND ON THE
NEXT FEW PAGES!
B. Major Land (Terrestrial) Biomes
Page 2
Biomes are classified according to the _______________________ of _____________ ________________and by ______________________
and ____________________________.
1. Tundra –
Average precipitation:
Temperature range:
Plant Species:
Animal Species:
Geographic location:
Abiotic factors:
2. Boreal Forest –
Average precipitation:
Temperature range:
Plant Species:
Animal Species:
Geographic location:
Abiotic factors:
3. Temperate Forest –
Average precipitation:
Temperature range:
Plant Species:
Animal Species:
Geographic location:
Abiotic factors:
4. Temperate Woodland and Shrubland –
Average precipitation:
Temperature range:
Plant Species:
Animal Species:
Geographic location:
Abiotic factors:
5. Temperate Grassland –
Average precipitation:
Temperature range:
Plant Species:
Animal Species:
Geographic location:
Abiotic factors:
Page 3
6. Desert –
Average precipitation:
Temperature range:
Plant Species:
Animal Species:
Geographic location:
Abiotic factors:
7. Tropical Savanna –
Average precipitation:
Temperature range:
Plant Species:
Animal Species:
Geographic location:
Abiotic factors:
8. Tropical Seasonal Forest –
Average precipitation:
Temperature range:
Plant Species:
Animal Species:
Geographic location:
Abiotic factors:
9. Tropical Rain Forest –
Average precipitation:
Temperature range:
Plant Species:
Animal Species:
Geographic location:
Abiotic factors:
10. Mountains - If you go up a mountain, you might notice that abiotic conditions, such as ______________________,
and _____________________ change with ____________________________ _____________________________.
11. Polar Regions border the____________________ at high latitudes. Polar regions are ___________________ all year.
Sec 3.3 Title ____________________________________________________________
Main Idea:_____________________________________________________________________________________________________________________
__________________________________________________________________________________________________________________________________
Define the following Vocabulary Using Flashcards – abyssal zone, aphotic zone, benthic zone, estuary,
intertidal zone, limnetic zone, littoral zone, photic zone, plankton, profundal zone, sediment, wetlands