Intro to Population Biology

Question 1

What factors are most important in determining population size?

Answer 1

Births, Deaths, Emmigration, and Immigration

Question 2

Fundamental Equation of Population Biology

Answer 2

N1 = N0 + B - D + I - E

Question 3

If a population grows without any outside factors, what type of growth is it?

Answer 3

Exponential growth

Question 4

If the rate at which individuals are repoducing is constant then the rate at which the population as a whole increases is a simple multiple of the number of organisms already present. This assumes:

Answer 4

B and D are constant, Effects on population are instant, all individuals contribute equally, breeding occurs at discreet intervals

Question 5

Rate of increase of individuals equals

Answer 5

B-D * # individuals

Question 6

r is

Answer 6

intrinsic rate of increase

Question 7

Exponential growth is seen for a ___ ammount of time

Answer 7

short

Question 8

Reasons exponential growth is limeted

Answer 8

resources are not unlimited, populations are not always reproducing, not all individuals are at reproductive age