Biological Sciences | MCQs

Explanation

Origin of species using Natural Selection was the work of Charles Darwin.

It was published on 24 November 1859,

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Charles Darwin's discoveries included.

four different species of giant ground sloth (some of the largest land mammals ever to have lived), a gomphothere,

and the remains of an extinct horse.

ND16-8-2023

Explanation

Antonie van Leeuwenhoek, a cloth merchant by trade, is credited for the discovery of single-celled microorganisms.
He called them “wee animalcules” (little animals).

Explanation

Arthropods are invertebrate animals with an exoskeleton, a segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda.

They are distinguished by their jointed limbs and cuticle made of chitin, often mineralised with calcium carbonate. 

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RY 11-10-2022