Question

The growth rate of a population in an unlimited environment
(1) Is equal to (d - b)N
(2) Is greater than the intrinsic rate of increase
(3) Is equal to (b - d)N
(4) Depends on competition for resources​

Answer 1

Explanation:

1)Is equal to (d-b) N......

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Answer 2

Answer:

When resources in a given population are unlimited in the environment then the population exhibits exponential growth. The curve for the exponential growth of population is called the J Shape curve.

The growth rate is equal to (b-d)N option number (3)

Explanation:

The growth rate is not equal to (d-b)N. The growth rate is not greater than the intrinsic rate of increase instead it is directly proportional to the intrinsic rate of increase, also growth rate in an unlimited population does not depend upon the competition for resources.

For exponential growth in the population, the growth rate is given by  the following equations .  

1. dN/dt = (b – d) × N ,
2. if (b–d) = r, then we can say that
3. dN/dt = rN

N= size of population

b = Birth rate of population

d = Death rate population

r = intrinsic rate of natural increase of the population.