Which of the following classes has the largest number of animals?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Insects.
- Insects have the largest number of animals among all classes.
- Insects are classified under the class Insecta, which falls within the phylum Arthropoda.
- This group encompasses a wide range of species, including ants, bees, butterflies, beetles, and flies, showcasing significant diversity in form and function.
- Insects have a three-part body consisting of the head, thorax, and abdomen. They usually have compound eyes and a pair of antennae.
- These organisms play a vital role in maintaining ecological balance by contributing to processes such as pollination, decomposition of organic matter and forming an essential part of the food chain for many other species.
- Insects are present in nearly all environments on Earth, ranging from forests and deserts to freshwater and marine ecosystems.
- The study of insects is referred to as entomology.