Define the following terms:
$(i)$ Genetic diversity
$(ii)$ Hotspot
$(i)$ Genetic diversity
$(ii)$ Hotspot
(N/A) $(i)$ Genetic diversity: It refers to the diversity in the number and types of genes as well as chromosomes present in different species and the variations in the genes and their alleles in the same species. It enables a population to adapt to its environment.
$(ii)$ Hotspot: These are regions with very high levels of species richness and high degree of endemism (species confined to that region and not found anywhere else). These areas are also under constant threat of habitat loss.
$(ii)$ Hotspot: These are regions with very high levels of species richness and high degree of endemism (species confined to that region and not found anywhere else). These areas are also under constant threat of habitat loss.
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Similar Questions
Match the following columns:
Column-$I$ Column-$II$ $(P)$ Genetic diversity $(I)$ Diversity at the genetic level $(Q)$ Species diversity $(II)$ Diversity at the species level $(R)$ Ecological diversity $(III)$ Diversity at the ecosystem level
| Column-$I$ | Column-$II$ |
| $(P)$ Genetic diversity | $(I)$ Diversity at the genetic level |
| $(Q)$ Species diversity | $(II)$ Diversity at the species level |
| $(R)$ Ecological diversity | $(III)$ Diversity at the ecosystem level |
Medium
View SolutionGiven below are two statements.
Statement-$I$: Genetic diversity is the diversity in the number and type of genes as well as chromosomes present in the same species and variations in the genes and their alleles.
Statement-$II$: Species diversity deals with the variety of species as well as the number of individuals of different species observed in an area.
In light of the above statements,select the correct answer from the options given below.
Statement-$I$: Genetic diversity is the diversity in the number and type of genes as well as chromosomes present in the same species and variations in the genes and their alleles.
Statement-$II$: Species diversity deals with the variety of species as well as the number of individuals of different species observed in an area.
In light of the above statements,select the correct answer from the options given below.
Match the following with respect to different categories of the red list. Choose the correct option.
Column-$I$ Column-$II$ $i$. Extinct $a$. Species whose members survive only in captivity. $ii$. Extinct in wild $b$. Rapid population decline of $50\%$ to more than $70\%$ over the previous $10$ years. $iii$. Endangered $c$. Species in which the last individual has died. $iv$. Vulnerable $d$. Rapid population decline of $30\%$ to more than $50\%$ over the previous $10$ years.
| Column-$I$ | Column-$II$ |
| $i$. Extinct | $a$. Species whose members survive only in captivity. |
| $ii$. Extinct in wild | $b$. Rapid population decline of $50\%$ to more than $70\%$ over the previous $10$ years. |
| $iii$. Endangered | $c$. Species in which the last individual has died. |
| $iv$. Vulnerable | $d$. Rapid population decline of $30\%$ to more than $50\%$ over the previous $10$ years. |
For species-area relationships among very large areas like entire continents,the $Z$ values are in the range of:
Easy
View SolutionMatch the following based on the biodiversity of the Amazon rainforest:
Column-$I$ Column-$II$ $(P)$ Plants $(I)$ $40,000$ $(Q)$ Fishes $(II)$ $3,000$ $(R)$ Birds $(III)$ $1,300$ $(S)$ Mammals or Amphibians $(IV)$ $427$ $(T)$ Reptiles $(V)$ $378$
| Column-$I$ | Column-$II$ |
| $(P)$ Plants | $(I)$ $40,000$ |
| $(Q)$ Fishes | $(II)$ $3,000$ |
| $(R)$ Birds | $(III)$ $1,300$ |
| $(S)$ Mammals or Amphibians | $(IV)$ $427$ |
| $(T)$ Reptiles | $(V)$ $378$ |
Medium
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