Numerical: Species Richness

If the estimated number of described species on Earth is about 1.7 million and animals constitute ro...

Coelenterates such as Hydra capture prey and defend themselves using specialised stinging cells; wha...

Arthropoda is considered the largest phylum in the animal kingdom; which combination of features chi...

Sponges of the phylum Porifera maintain a continuous water current through their body by means of a ...

Three fundamental characters are shared by every chordate at some stage of life; which set correctly...

Roundworms belonging to phylum Aschelminthes represent an evolutionary advance over flatworms primar...

Rapid proliferation of certain photosynthetic dinoflagellates in coastal waters can turn the sea red...

A fungus reproducing sexually through ascospores borne inside sac-like asci, exemplified by Penicill...

Bryophytes are frequently described as the amphibians of the plant kingdom mainly because of which d...

Gymnosperms are distinguished from angiosperms by a feature of their reproductive biology in which t...

Members of the brown algae owe their characteristic colouration to the dominance of a specific acces...

Investigations on the tobacco mosaic virus revealed that its genetic material differs from that of m...