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(B) Statement $(1)$ is correct: Regional and local variations within each biome lead to the formation of a wide variety of habitats.Statement $(2)$ is

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(B) Statement $(1)$ is correct: Regional and local variations within each biome lead to the formation of a wide variety of habitats.Statement $(2)$ is correct: Temperature,water,light,and soil are the most important abiotic factors that determine the physical and chemical characteristics of an ecosystem.Statement $(3)$ is incorrect: While Tuna fish are found in the ocean,they are generally considered poikilothermic (cold-blooded) or ectothermic,not homeothermic.Statement $(4)$ is correct: Red algae (Rhodophyta) contain pigments that allow them to perform photosynthesis in deep-sea regions where light intensity is very low.Therefore,only one statement $(3)$ is incorrect.

Column $I$	Column $II$
$i$. Thick cuticle on leaf surface	$a$. Desert lizards
$ii$. Leaves reduced to spines	$b$. Archaebacteria
$iii$. Burrow into sand to escape from heat	$c$. Desert plants
$iv$. Hot springs	$d$. Opuntia

Similar Questions

Given below are two statements.
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Statement $II$: Niche is an area where a species lives and prospers.
In the light of the above statements,choose the correct option.

Which of the following organisms can ensure constant body temperature and osmotic concentration by physiological and behavioural changes?

$Niche$ is:

Give scientific reasons: Freshwater animals cannot survive for long in seawater.

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