Organisms and Populations
Madhya Pradesh Board · Class 12 · Biology
Flashcards for Organisms and Populations — Madhya Pradesh Board Class 12 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.
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Get startedWhat is a population in ecological terms?
Answer
A population is a group of individuals of the same species living in a well-defined geographical area, sharing or competing for similar resources, and potentially interbreeding. Examples: All cormoran…
What is a population in ecological terms?
Answer
A population is a group of individuals of the same species living in a well-defined geographical area, sharing or competing for similar resources, and potentially interbreeding. Examples: All cormoran…
How do you calculate birth rate and death rate in a population?
Answer
Birth rate = Number of births / Initial population size Death rate = Number of deaths / Initial population size Example: If 20 lotus plants produce 8 new plants in a year, birth rate = 8/20 = 0.4 offs…
How do you calculate birth rate and death rate in a population?
Answer
Birth rate = Number of births / Initial population size Death rate = Number of deaths / Initial population size Example: If 20 lotus plants produce 8 new plants in a year, birth rate = 8/20 = 0.4 offs…
What is an age pyramid and what does its shape indicate?
Answer
An age pyramid is a graphical representation showing the age distribution of males and females in a population. The shape indicates population growth status: (a) Expanding base - growing population, (…
What is an age pyramid and what does its shape indicate?
Answer
An age pyramid is a graphical representation showing the age distribution of males and females in a population. The shape indicates population growth status: (a) Expanding base - growing population, (…
What is the equation for exponential population growth?
Answer
dN/dt = rN Where: N = population size, t = time, r = intrinsic rate of natural increase (r = b - d, where b = birth rate, d = death rate) Integral form: Nt = N0e^rt This produces a J-shaped curve when…
What is the equation for exponential population growth?
Answer
dN/dt = rN Where: N = population size, t = time, r = intrinsic rate of natural increase (r = b - d, where b = birth rate, d = death rate) Integral form: Nt = N0e^rt This produces a J-shaped curve when…
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