Symbiosis
What type of symbiotic relationship has both parties benefiting?
Mutualism
The number of individuals of a species within 1 unit of an area is referred to as population _____________.
density
Set up an equation to estimate the population of students at GHS based on this classroom. (There are 45 total classrooms in the building)
# of students in this room/1 classroom = x number of students/45 classrooms
This type of relationship is the basic for food webs.
Predator - prey
or herbivory
What are the units for the population density if 10,000 individuals are found in a 100m2 area
100 individuals/m2
The harmed individual in a parasitic relationship is referred to as the ______.
Host
A population is the total number of the same __________ within a given _________.
species
area
What is one example of something that can be counted for an indirect counting sampling method?
Tracks, nests, eggs, scat, bite marks, any sign an organism was there
Which types of organisms tend to have binocular vision?
Predators
Why don't most populations grow exponentially?
Limiting factors
What are the three symbols used to denote positive, negative, and neutral relationships between organisms?
+ benefits
- harmed
0 unaffected
Draw a uniform dispersion pattern for a population.
Evenly dispersed and consistent throughout the whole area
Which sampling strategy is best for estimating the population of animals that tend to move around throughout an area?
Mark recapture
A close association between organisms over an extended period of time is called
Symbiosis
What is the name of the first species to return to an area after a disturbance?
Pioneer species
Give an example of a commensal relationship, explain.
Barnacles (+) and whales (0) one benefits while another is unaffected
When a population is growing, it will then naturally level off at what point?
The carrying capacity
A biologist captures and marks 20 individual house sparrows in the local forest. A week later they return and capture 10 more, 3 of them marked. Estimate the total population in that area.
67
What is the difference between primary and secondary succession?
Soil survival (if it is destroyed or removed = primary)
Secondary succession can be caused by biotic factors such as zebra mussels or european starlings which are examples of ___________ ___________.
Invasive species
Gut bacteria like E. coli that live in our stomachs have a _____________ relationship with humans.
Mutualistic
What are the 4 factors that can change a population's size?
Natality, Mortality, Immigration, and Emigration
If the population of ghost plant (monotropa uniflora) in an area of 200 km2 is counted to be 18. Estimate the population in the entire 18,000 km2 area.
200km2/18 plants = 18,000km2/x
1620
What is the name of the final stage of succession, once all organisms have returned in full.
Climax community
What is the study of human populations called?
Demography