Ecology- Bio 111 Questions and Correct
Answers
Study of interactions between organisms and their environment?
Ans: ecology
Two factors environment consists of? Ans: 1. abiotic
2. biotic
Basic non-living components of ecosystem? Ans: abiotic (rocks,
soil, sunlight, nutrients, water and climate)
Living things in environment; influence ability to live and
determine types of habitats found in? Ans: biotic
Organisms of a particular species that inhabit a defined area;
individuals of a species that interact? Ans: population
_________ frequencies within a population changes as a result of
selection, drift, etc.? Ans: allele
All interacting populations of different species of organisms in a
defined area? Ans: communities (formed by populations)
Competition for limiting resources is what type of interaction?
Ans: predator-prey
Both organisms benefit from one another is what type of
interaction? Ans: mutualism
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Persistence of multiple species in the same community? Ans:
biodiversity
Number of different species in a community or area? Ans: species
richness
How well each species is represented? Ans: species evenness
Communities of species and abiotic environment combine to
form? Ans: ecosystems
Average atmospheric conditions? Ans: climate (temperature,
humidity, precipitation)
Five major abiotic factors effecting habitats are? Ans: 1. mean
annual temperature
2. seasonal max and min temperature
3. latitude and elevation
4. humidity
5. mean annual precipitation
Photosynthetic rate influenced by which 5 things? Ans: 1. amount
of irradiance
2. water
3. carbon
4. nitrogen and phosphorus
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