Population Ecology

Question 1

what does population mean?

Answer 1

all of the organisms in the same place at the same time that can reproduce together

Question 2

what does population density mean?

Answer 2

the number of individuals/area

Question 3

what is population size?

Answer 3

the total amount of individuals in a population

Question 4

what is population distribution?

Answer 4

the pattern in which organisms of a population are spread throughout the range

Question 5

uniform dispersion pattern?

Answer 5

resources are scarce and as a result species are very territorial

Question 6

clumped dispersion pattern?

Answer 6

a certain fish species tends to gather in large groups to avoid being singled out and eaten by predators

Question 7

random dispersion pattern?

Answer 7

the seeds of a plant species are distributed by wind in a field where conditions are uniform

Question 7

what does random sampling work best with?

Answer 7

uniform distribution patterns

Question 8

direct counting

Answer 8

counting every individual

Question 9

indirect counting

Answer 9

counting every individual in a hive, burrow, town, etc. and then count the number of hives, burrows, etc.

Question 10

of organisms in a sample

number of organisms in sample
area of sample

Answer 10

total # of organisms
total area

Question 11

mark and recapture

number of total