extra questions

Question 1

Do density dependent or independent factors regulate pop size

Answer 1

dependent

Question 2

fecundity

Answer 2

number of offspring produced per reproductive episode

Question 3

semelparous organisms

Answer 3

breed once then die

Question 4

senescence

Answer 4

the condition or process of deterioration with age.

Gradual incr in mortality or decr in fecundity as physiological function declines over time

Question 5

amensalism

Answer 5

one species harmed, other no impact

Question 6

parasites that cause disease symptoms are called

Answer 6

pathogens

Question 7

detritivores

Answer 7

consume dead organic material (commensal)

Question 8

virulence

Answer 8

measure of capacity of a parasite to invade host tissues and proliferate in them

Question 9

lokta volterra model calculates

Answer 9

rate of change in prey population and in prey pop as each is influenced by abundance of the other

Question 10

rate of change in prey population =

lokta volterra

Answer 10

intrinsic growth rate of prey pop - removal prey individuals by predators
rV-cVP

r= intrinsic growth rate
V= prey
c= coefficient expressing efficiency of predation