Phylum

The video tutorial explains the concept of phylum, a major category in biological classification. It outlines the seven categories used to classify living organisms: kingdom, phylum, class, order, family, genus, and species. The tutorial details how scientists classify animals like horses and highlights specific phyla such as Chordata, Arthropoda, and Mollusca, describing their characteristics. It emphasizes the ongoing nature of biological discoveries and how classifications may evolve with new knowledge.

Which of the following is NOT one of the seven major categories used to classify living organisms?

• Domain

• Order

• Phylum

• Kingdom

What is the primary characteristic of organisms in the Phylum Chordata?

• They have an exoskeleton.

• They have a soft body.

• They have backbones.

• They have jointed legs.

Which of the following animals is NOT a member of the Phylum Chordata?

• Fish

• Lobster

• Monkey

• Horse

What is a common feature of animals in the Phylum Arthropoda?

• They have a soft body.

• They have an exoskeleton made of chitin.

• They have a distinct head and foot area.

• They have a backbone.

Which phylum includes animals like snails and octopuses, characterized by a soft body?

• Mollusca

• Chordata

• Arthropoda

• Annelida