Identify the correct sequence of given species found in tropical Amazonian rain forest in terms of their increasing number?
(A) Invertebrates
(B) Fishes
(C) Birds
(D) Plants
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → (C), (B), (D), (A)
The Amazonian rain forest is the richest place for species on earth. The book gives its numbers of species, and the order follows from them, smallest to largest:
(C) Birds — first. About 1,300 species, the smallest of the four numbers.
(B) Fishes — second. About 3,000 species.
(D) Plants — third. More than 40,000 species.
(A) Invertebrates — fourth. More than 1,25,000 species, by far the largest group.
NCERT Extract:
Patterns of Biodiversity – “… The largely tropical Amazonian rain forest in South America has the greatest biodiversity on earth- it is home to more than 40,000 species of plants, 3,000 of fishes, 1,300 of birds, 427 of mammals, 427 of amphibians, 378 of reptiles and of more than 1,25,000 invertebrates.”