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WorksheetsCommunity and Population Ecology
Total questions: 15
Worksheet time: 4mins
Does rat exhibit exponential growth?
TRUE
FALSE
The maximum population size that a particular environment can sustain over time is called carrying capacity.
FALSE
TRUE
The global human population is closest to which one of the following?
15 billion
6 billion
8 billion
9 billion
How many years it takes before the humans reached the 1 billion mark?
120 years
130 years
115 years
110 years
In what year did the average annual growth rate of the human population reached its all-time high?
1970
1980
1990
1960
Age structure diagrams in countries with rapid growth have a?
circular structure
constrictive structure
pyramidal structure
exponential structure
What model of growth does this exhibit?
stationary
logistics
expansive
exponential
What is the other term for "Foundation Species"?
Primary Species
Engineers of Ecosystem
Ecosystem Builders
Provider Species
Give an example of Foundation species:
Beavers
Elephants
Starfish
Alligator
What are the three shape of survival curves?
convex, uniform, concave
convex, diagonal, random
convex, diagonal, concave
What are the three patterns of species distribution?
uniform, concave, random
clumped, random, uniform
clumped, concave, random
Sally wants to know how many flowers are in a 60 m2 field. She throws enough quadrats to cover 20 m2 and finds 35 flowers. Using the equation, how does she calculate the estimated number of flowers in the whole field?
100 flowers
205 flowers
200 flowers
105 flowers
Clyde wants to know how many snails are in a 640 m^2 field. Each quadrat covers 8 m^2 and finds 28 snails. Calculate the estimated number of snails in the whole field.
2240 snails
1240 snails
3240 snails
4240 snails
A biologist is studying the number of springboks that attended the annual rut. On one day, he captured, marked and released 20 springboks. The next day, he captured 32, of which 6 had the original marking made the day before. How many springboks are estimated to have attended the rut?
90.66
107
107.67
105.87
A pest control technician captures and applies ear tags to 23 brown rats, which he then releases. A week later he traps 29 brown rats, 11 of which have ear tags. What is the estimated population of brown rats?
53
70.5
60.64
61
