The number of currently described species on the planet is about
17,000
150,000
1.5 million
10 million

1.5 million

Explanation:

To date, approximately 1.5 million species have been described, including animals, fungi, lichens, plants and protists. However, the actual number of species between those that are already described and those that have not yet been discovered is estimated to exceed 30 million species.

gametes or germ cells are haploid cells (example: sperm and ova) containing only one set (or n) number of chromosomes and autosomal or somatic cells are diploid cells containing 2n number of chromosomes.

rocks and weathering-matching