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Creado por Charlotte Lloyd
hace más de 9 años
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what is the difference between biotic and abiotic factors?
name two things that must be considered within an ecosystem
define population
Define community
define habitat
what is an ecosystem made up of?
what is a niche
why is random sampling used
describe the process of random sampling
name three factors to consider when using quadrats
when would systematic sampling be appropriate to use
how would you carry out systematic sampling
define abundance
describe two methods of measuring abundance
when and how is mark release recapture be used
what equation is used to estimate population size using mark release recapture data
describe for the simpsons that must be made when using mark release recapture estimate population size
describe the three general periods Found on a population growth curve
name and explain for a biotic limiting factors
when and why does competition occur
what is intraspecific competition
What is interspecific competition
what is the competitive exclusion principle
what is a predator
how have predators and prey evolved
summarise how are predators prey relationships or cyclic fluctuation in population size
How are population crashes advantageous to organisms?
How has human population size changed over time?
What two basic factors affect population growth?
Distinguish between emigration and immigration
Equation for population growth
Equation for percentage population growth rate
Factors affecting birth rate
Equation for birth rate
Factors affecting death rate
Equation for death rate
Describe the shape of a stable population pyramid, and say what causes it
Describe the shape of, and what causes an increasing population pyramid
What does an decreasing population pyramid look like, and what causes it to occur.
What is average life expectancy?