Tropical regions show the greatest level of species richness because:
$A$. Tropical latitudes have remained relatively undisturbed for millions of years,hence more time was available for species diversification.
$B$. Tropical environments are more seasonal.
$C$. More solar energy is available in the tropics.
$D$. Constant environments promote niche specialization.
$E$. Tropical environments are constant and predictable.
Choose the correct answer from the options given below.
$A$. Tropical latitudes have remained relatively undisturbed for millions of years,hence more time was available for species diversification.
$B$. Tropical environments are more seasonal.
$C$. More solar energy is available in the tropics.
$D$. Constant environments promote niche specialization.
$E$. Tropical environments are constant and predictable.
Choose the correct answer from the options given below.
- A$A$ and $B$ only
- B$A, B$ and $E$ only
- C$A, B$ and $D$ only
- D$A, C, D$ and $E$ only
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If there were $50$ species of reptile present in one ecosystem,what is this called?
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Column-$A$ (Taxonomic Group) Column-$B$ (Proportion of total species) $A$. Animals $1$. More than $70\%$ $B$. Plants $2$. Around $22\%$ $C$. Insects $3$. More than $70\%$ of total animals $D$. Fungi $4$. More than combined fish,amphibians,reptiles $\&$ mammals
| Column-$A$ (Taxonomic Group) | Column-$B$ (Proportion of total species) |
|---|---|
| $A$. Animals | $1$. More than $70\%$ |
| $B$. Plants | $2$. Around $22\%$ |
| $C$. Insects | $3$. More than $70\%$ of total animals |
| $D$. Fungi | $4$. More than combined fish,amphibians,reptiles $\&$ mammals |
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View SolutionThe table below gives the populations (in thousands) of ten species $(A-J)$ in four areas $(p-s)$ consisting of the number of habitats given within brackets against each. Study the table and answer the question which follows. Which area out of $p-s$ shows maximum species diversity?
Area and No. of habitats $A$ $B$ $C$ $D$ $E$ $F$ $G$ $H$ $I$ $J$ $p(11)$ $2.3$ $1.2$ $0.52$ $6.0$ - $3.1$ $1.1$ $9.0$ - $10.3$ $q(11)$ $10.2$ - $0.62$ - $1.5$ $3.0$ - $8.2$ $1.1$ $11.2$ $r(13)$ $11.3$ $0.9$ $0.48$ $2.4$ $1.4$ $4.2$ $0.8$ $8.4$ $2.2$ $4.1$ $s(12)$ $3.2$ $10.2$ $11.1$ $4.8$ $0.4$ $3.3$ $0.8$ $7.3$ $11.3$ $2.1$
| Area and No. of habitats | $A$ | $B$ | $C$ | $D$ | $E$ | $F$ | $G$ | $H$ | $I$ | $J$ |
| $p(11)$ | $2.3$ | $1.2$ | $0.52$ | $6.0$ | - | $3.1$ | $1.1$ | $9.0$ | - | $10.3$ |
| $q(11)$ | $10.2$ | - | $0.62$ | - | $1.5$ | $3.0$ | - | $8.2$ | $1.1$ | $11.2$ |
| $r(13)$ | $11.3$ | $0.9$ | $0.48$ | $2.4$ | $1.4$ | $4.2$ | $0.8$ | $8.4$ | $2.2$ | $4.1$ |
| $s(12)$ | $3.2$ | $10.2$ | $11.1$ | $4.8$ | $0.4$ | $3.3$ | $0.8$ | $7.3$ | $11.3$ | $2.1$ |
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View SolutionThe relationship between species richness and area is described by a straight line on a logarithmic scale using which equation?
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