All single-celled eukaryotes are placed under kingdom Protista.

Species is the basic unit of classification. The members of a species are closely related, derived from a common ancestor and can interbreed to produce fertile offsprings.

Phylum Anthophyta (flowering plants) belongs to angiosperms.

Homo sapiens belongs to class Mammalia. Class Chondrichthyes consists of cartilaginous fish.

Deuteromycetes are commonly known as imperfect fungi because only the asexual or vegetative phases of these fungi are known.

Members of phylum Porifera are commonly known as sponges.

Members of phylum Bryophyta are commonly known as mosses.

R. H. Whittaker (1969) proposed a five kingdom classification. The kingdoms defined by him were named Monera, Protista, Fungi, Plantae and Animalia.

Lycophyta is a phylum of seedless vascular plants.

Mollusca is the second largest animal phylum.

Physalia is commonly known as Portuguese man-of-war.

Wheat belongs to class Monocotyledonae.

Housefly belongs to order Diptera. Primata is an order of phylum Chordata.

Cryobiology is the study of the effects of low temperatures on living organisms.

Correct matching: Ornithology — Study of birds Entomology — Study of insects Herpetology — Study of reptiles and amphibians Ichthyology — Study of fish