Which of the following statements are true of a population at carrying capacity?

Answer :

i) Carrying Capacity-when the number of births equals the number of deaths, the population is at its carrying capacity for that habitat.

ii) If resources are being used faster than they are being replenished, then the species has firstly exceeded its carrying capacity.

iii) If this occurs, later the population will then decrease in size due to intraspecific competition for resources.

So the correct answer is option D. Limiting factors can influence the number of organisms in a population once it reaches its carrying capacity.

ek = (m·v2) / 2

v - velocity of system after the collision

m = m1 + m2

ek = (m1 + m2) ·v2/2

ek = (200 + 250) ·2,32/2 = 450·5,29/2 = 1190,25 j