Home
Class 12
BIOLOGY
The eqn.(Delta Nn)/(Delta Nt)= B repres...

The `eqn.(Delta N_n)/(Delta N_t)= B ` represents which of the following ?

A

Natality

B

Growth rate

C

Mortality

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
B
Growth rate refer to the percentage change of a specific variable within a specific time period and given a certain context
Promotional Banner

Similar Questions

Explore conceptually related problems

At time t = 0, a material is composed of two radioactive atoms A and B, where N_(A0) = 2N_(B0) . The decay constant of both kind of radioactive atoms is lamda . However, A disintegrates to B and B disintegrates to C. Which of the following figures represents the evolution of N_B(t)//N_B(0) with respect to time t? [ N_A(0)= No. of A atoms at t = 0] [ N_B(0)= No. of B atoms at t= 0 ]

If A, B and C are three non-empty sets such that n(A nn B nn C) = 10 and n(A DeltaB) = n(B Delta C) = n(C Delta A) = 60 , then find the number of elements in A uu B uu C .

Enthalpy of formation of NH_(3) is -X kJ and Delta H_(H-H) , Delta H_(N-H) are respectively Y kJ mol^(-1) and Z kj mol^(-1) . The value of Delta H_(N = N) is

Fill in the blanks in the following so that each of the following statements is true Sides opposite to equal angles of a triangle are ....... Angle opposite to equal sides of a triangle are ....... In an opposite to equal sides of a triangle are ....... In a A B C if /_A=/_C , then A B= ..... If altitudes C E a n d B F of a triangle A B C are equal, then A B= ........ In an isosceles triangle A B C with A B=A C , if B D a n d C E are its altitudes, then B D is .......... C E In right triangles A B C a n d D E F , if hypotenuse A B=E F and side A C=D E , then A B C ~= ....

If n(A) = 6 and n(B) = 8 and n(A nn B) = 4 , then find n(A Delta B) . The following are the step involved in solving the above problem . Arrange them in sequnential order. (a) n (A uu B) = n(A) + n(B) - n(A nn B) (b) n(A uu B) = 10 (c ) n(A uu B) =6+8-4 (d) n(A Delta B) = 10-4= 6 (e) n(A Delta B) = n(A uu B) - n(A nn B) .

According to Newton's law of cooling, the rate of cooling of a body is proportional to (Delta theta)^n , where Delta theta is the difference of the temperature of the body and the surroundings, and n is equal to