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Define population dispersal.

Important Questions on Ecology and Environment

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Biology>Ecology>Ecology and Environment>Population
Natality refers to
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Biology>Ecology>Ecology and Environment>Population
According to the logistic population growth model, the growth rate is independent of
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Biology>Ecology>Ecology and Environment>Population

In the graph below, where N is population size and t is time, M represents

Question Image

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Biology>Ecology>Ecology and Environment>Population
In a growing population of the country,
HARD
Biology>Ecology>Ecology and Environment>Population
Match the following and select the correct option:
(a) Earthworm (p) Pioneer species
(b) Succession (q) Detrivore
(c) Ecosystem service (r) Natality
(d) Population growth (s) Pollination
MEDIUM
Biology>Ecology>Ecology and Environment>Population

Read the following data carefully

Parameter Values
Initial population of lions 400
Number of new births in one year 100
Number of deaths in one year 40

Imagine the lion population grows logistically where the carrying capacity is 800. Then the per capita birth rate(b), per capita death rate(d), intrinsic rate of natural increase(r), increase or decrease in population during the unit time period dNdt are respectively

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Biology>Ecology>Ecology and Environment>Population
Species with high fecundity, high growth rates, and small body sizes are typically
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Biology>Ecology>Ecology and Environment>Population
Which of the following is correct for r-selected species?
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Biology>Ecology>Ecology and Environment>Population
Which of the following is not an attribute of a population?
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Biology>Ecology>Ecology and Environment>Population
The following equation describes the exponential growth of a population
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Biology>Ecology>Ecology and Environment>Population
Asymptote is a logistic growth curve is obtained when
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Biology>Ecology>Ecology and Environment>Population
When does the growth rate of a population following the logistic model equal zero? The logistic model is given as dN/dt=rN1-N/K:
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Biology>Ecology>Ecology and Environment>Population
Population of India in 2000 was approximately ______.
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Biology>Ecology>Ecology and Environment>Population
In India, the sex ratio of 1:1 is found in_____.
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Biology>Ecology>Ecology and Environment>Population
Mortality refers to the _____.
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Biology>Ecology>Ecology and Environment>Population
The maximum population size that can be supported by the environment is called _____.
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Biology>Ecology>Ecology and Environment>Population
Population ecology is linked to population genetics and _____.
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Biology>Ecology>Ecology and Environment>Population
The concept that population tends to increase geometrically while food supply increases arithmetically was put forward by
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Biology>Ecology>Ecology and Environment>Population
If birth and death rates are equal, a _____ would result. (Minimum population growth / Zero population growth)
EASY
Biology>Ecology>Ecology and Environment>Population
A group of animals of a species that live in a well-defined geographical area, share or compete for similar resources, potentially interbreed and thus constitute a _____.