Differences between arteries and veins
S.N. Arteries Veins 1. Arteries carry blood away from the heart and distribute to different body parts. Veins bring blood from different body parts […]
Biology
Plant hormones (types and functions)
E. Starling coined the term “hormone” in connection with the discovery of Secretin. Hormones are organic compounds secreted in small quantities that regulate the plant’s […]
Differences between blood and lymph
S.N. Blood Lymph 1. It is a fluid connective tissue which is red in color. It is a colorless fluid connective tissue. 2. It is […]
Differences between axon and dendrites
S.N. Axon Dendrites 1. There is generally one axon per neuron. They are usually many in number in a neuron. 2. It arises from a […]
Characteristics and economic importance of Cruciferace (Brassicaceae)
This family is commonly known as mustard family and following are the characteristics of mustard plant. The plants are terrestrial and cultivated for oil value which […]
Structure and types of neuron (The nervous tissue)
The nervous tissue is purely ectodermal in origin and has the least regeneration power. It first appeared in the members of Coelenterata (Cnidaria) in which […]
The protochordates (General characteristic features)
Protochordates are commonly called lower chordates. They lack a head and a cranium, so they are also known as Acraniata. Protochordates consists of three sub-phyla […]
General characteristic features of phylum Chordata
Chordates are bilaterally symmetrical, deuterostomial, eucoelomate eumetozoans. A flexible but firm supporting skeletal rod, called notochord is present in the embryo or throughout life. From […]
General characteristic features of superclass Pisces (Fish)
They are the first jawed vertebrates and the study of fish is called Ichthyology. They are aquatic (may be fresh water or marine). Fish are […]
Characteristic features of class Aves (the birds)
General features: Birds are cosmopolitan and found in all continents, seas and most islands. Their wide occurrence is due to their power of flight, which […]