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Biology Quarter 1 MCA
Review
Define the following terms:
Ecology
Abiotic factor
Biotic factor
Species
Population
Community
Symbiosis
Mutualism
Commensalism
Parasitism
Autotroph
Heterotroph
Producer
Consumer
Carnivore
Herbivore
Omnivore
Decomposer
Trophic level
Food web
Biomass
Precipitation
Evaporation
Infiltration
Condensation
Transpiration
Photosynthesis
Respiration
Nitrogen fixation
Limiting factor
Primary succession
Secondary succession
Climax community
Carrying capacity
Density-dependent factor
Density-independent factor
Biodiversity
Exotic species/ invasive species
Homeostasis
Characteristics of Life (Ch. 1)
List and describe at least 5 characteristics of living things
1.
2.
3.
4.
5.
Scientific Method (Ch. 1)
Define the following parts of an experiment:
Hypothesis –
DataConclusionEcology (Ch. 2-5)
Explain why energy cannot be cycled in an ecosystem:
Where does all energy on earth come from?
Why must nutrients be cycled in an ecosystem? Give 3 examples of nutrients that are
cycled.
Compare and contrast abiotic factors and biotic factors. Give some examples from each of
your nutrient cycles.
Describe primary and secondary succession. What makes them similar and different?
Give an example of a place on earth where you could find primary succession and where
you could find secondary succession.
Why are new communities able to replace old ones during succession?
What is the first organism to appear during primary succession? What is the last?
What is biomagnification? What level in a food chain is most affected?
Use the following food chain to answer the questions below.
Grass  rabbit  fox  coyote  fungi
The primary producer in this food chain is the ______________________.
The rabbit eat only plants which makes it a ________________________.
If the fox also eats grass, the fox would be called an _____________________.
The fungi break down dead organisms which make them __________________.
The coyote is the 4th link in the food chain which makes it a ________________.
Affecting which level of the food chain would cause the most drastic results?
What would happen if too many rabbits were added to the ecosystem?
Describe the energy pyramid. What does each level represent? Draw an example.
What is carrying capacity?
How do you describe carrying capacity in terms of numbers of births and deaths?
What is the function of fungi in a nutrient cycle?
Give an example of mutualism, commensalisms, and parasitism.
Identify two benefits and two consequences of forest fires: