Question
Arrange the following in descending order of number of species in the Amazonian rain forest.
(a) Plants
(b) Birds
(c) Fishes
(d) Invertebrates
(e) Mammals
Choose the correct answer from the options given below :
This question was previously asked in
NEET UG Re-Exam 2026 Question Paper (21-Jun-2026)
The correct answer is
(c) > (b) > (d) > (e) > (a)
The question is asking us to arrange different groups (plants, birds, fishes, invertebrates, and mammals) in descending order according to the number of species present in the Amazonian rainforest.
To address this, we need to consider the biodiversity typically found in the Amazon rainforest. The order reflects the richness and abundance of various species groups in this ecosystem.
- Fishes: The Amazon basin is home to a remarkably high diversity of fish species, due to its vast and complex aquatic systems. Thus, fishes often rank extremely high in terms of species count.
- Birds: The Amazon hosts a large number of bird species, benefiting from the variety of niches and habitats provided by the dense forest canopy and undergrowth.
- Invertebrates: Although typically having a massive number of species, in this context, they are often outranked by birds and fishes who have more distinct species known specifically in the Amazon basin.
- Mammals: There is significant mammalian diversity; however, the number of species is generally less than that of birds and fishes.
- Plants: Although numerous species of plants thrive in the Amazon, in this scenario, they tend to have fewer distinct species designated on record compared to the others listed higher.
Based on this understanding, the correct order of species from most to least in the Amazon rainforest is:
Fishes > Birds > Invertebrates > Mammals > Plants
The correct answer from the given options is: (c) > (b) > (d) > (e) > (a).
It's important to visualize biodiversity data and trends accurately, as this can greatly aid in understanding distribution patterns and ecological significance of different groups.
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