How Many Species Are There

Q.

Which phylum is the most abundant one among animals?

1. Annelida

2. Mollusca

3. Arthropoda

4. Vertebrata

Q. How many species have we currently identified and classified?

1. Close to 1.5 million species
2. 8.7 million species
3. 100 million
4. 950, 000 species

Q. A huge majority of the world's species are

1. Vertebrates
2. Invertebrates
3. Plants
4. Both C and A

Q. Vertebrates include

1. Mammals and Amphibians
2. Fishes and Birds
3. Reptiles
4. All of the above