Question

Assertion (A) : Arthropoda are the most successful of all the known animal groups. Reason (R): Arthropoda exhibits the greatestadaptive radiation and have adapted todiverse habitats.

• A. both (A) and (R) are true and (R) explains
• B. both (A) and (R) are true but (R) cannot explain
• C. only (A) is correct but (R) is wrong
• D. both (A) and (R) are wrong

Answer 1

Answer: (A)

Arthropoda is the largest phylum of animalkingdom residing in all habitats. Arthropodsare most successful of all known animalgroups because they exhibit greatest adaptiveradiation and have adapted to diversehabitats.