Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

Define population and community. 
Asked by Topperlearning User | 16 Jun, 2014, 04:19: PM
answered-by-expert Expert Answer

A population can be defined as a group of individuals of the same species residing in a particular geographical area at a particular time and functioning as a unit.

A community is defined as a group of individuals of different species, living within a certain geographical area.

Answered by | 16 Jun, 2014, 06:19: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 12-science - Biology
if mean and median pertaining to certain character of the populations are of same value,the following is most likely to occur, 1: a skewed curve 2:  a normal distribution 3: a bi modal distribution 4:  a T-shaped curve
Asked by imtiyazmulla68 | 30 Mar, 2018, 09:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Why in a natural environment with plenty of food but no predation, a population shows J-shaped growth curve? 
Asked by Topperlearning User | 16 Jun, 2014, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
What does the sigmoid growth curve of a population mean? 
Asked by Topperlearning User | 16 Jun, 2014, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Give an example where percentage cover is a more meaningful measure of the population size.
Asked by Topperlearning User | 16 Jun, 2014, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Eichhornia crassipes is an alien hydrophyte introduced in India. Mention the problems posed by this plant.
Asked by Topperlearning User | 16 Jun, 2014, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
What are the two types of population growth curves? What are the phases involved in both types of curves?
Asked by Topperlearning User | 16 Jun, 2014, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Why cannot a population live alone by itself in nature? 
Asked by Topperlearning User | 16 Jun, 2014, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
(i) What is ‘r’ in the population equation? (ii) How does the increase and decrease in the value of ‘r’ affect the population size?
Asked by Topperlearning User | 16 Jun, 2014, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Define population and community. 
Asked by Topperlearning User | 16 Jun, 2014, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
(i) What is carrying capacity? (ii) Write any four population attributes.
Asked by Topperlearning User | 16 Jun, 2014, 04:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×