Levels & Factors
This term describes LIVING components of an ecosystem, like plants and animals.
What are biotic factors?
This technique involves counting organisms in a small area and using math to estimate the total population.
What is sampling?
These diagrams show the relative number of individuals in different age groups within a population.
What are age structure diagrams?
If birth plus immigration exceeds deaths plus emigration, the population does this
This J shaped growth pattern occurs when resources are unlimited and growth accelerates continuously.
What is exponential growth?
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These non-living components include sunlight, water, temperature and soil.
What are abiotic factors?
This calculation tells you the number of individuals per unit area.
What is population density?
A population with a wide base in its age structure diagram can expect this trend in future size.
What is growth or increase?
These four factors determine whether a population grows or shrinks: births, deaths, and these
What are immigration and emmigration?
This S shaped growth pattern levels off as the population reaches environmental limits.
What is logistic growth?
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What is TikTok?
At this level of organization, all members are the same species living in the same area.
What is a population?
The three types of population distribution are clumped, random and this evenly spaced pattern.
What is uniform?
This type of surviviorship curve shows high survival until old age, typical of humans and elephants.
A population of 1000 with 50 births and 20 deaths in one year has this growth rate.
What is 30?
This term describes the maximum population size an environment can sustain indefinitely.
What is carrying capacity?
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What are Labubus?
This level of organization includes all the living things and their physical environment within a particular area.
What is an ecosystem?
This sampling technique for mobile animals involves capturing, marking, releasing, then recapturing to estimate population size.
What is mark-recapture?
Type III survivorship curves show high mortality at this life stage, common in oysters and plants.
What is early life or the young?
These factors that restrict population growth include food, space, water and disease.
What are limiting factors?
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These are the 5 levels of organization in order.
A team of entomologists are researching the Jamaican Click Beetle. Part of their research requires them to estimate the population of these beetles in a jungle in Eastern Jamaica. The forest is about 2000 acres large. The scientists count there are 500 beetles in 10 acres of forest. How many are estimated to be in the 2000 acre plot of land?
2000/10 = 200 x 500 = 1000 beetles
This survivorship curve type is what birds follow.
If a population has 200 individuals, 15 births, 10 deaths, 5 immigrating in and 8 emmigrating out, this is the new population size.
What is 202?
This term describes the maximum reproductive capacity of a population under ideal conditions.
What is biotic potential?
This word of the year was named by the Oxford University Press.
What is Rage Bait?