A metanephridium is a gland involved in excretion, mainly found in invertebrates such as annelids , arthropods and mollusca. A metanephridium... View Article
Evolution is defined as a change in the genetic composition of a population over successive generations. Charles Darwin’s theory of evolution by... View Article
Hemizygous is a condition in which only one copy of a gene or DNA sequence is present in diploid cells. The cell or organism is called a... View Article
Answer: Ecosystem diversity deals with the variations in ecosystems within a geographical location and their overall impact on human existence... View Article
Bond cleavage is nothing but the splitting of chemical bond. There are two types of bond cleavages classified according to the nature of the... View Article
Apocrine gland Apocrine gland is a type of exocrine gland in which the secretory products are released together with some portions of the... View Article
Pteridophytes are vascular plants and have leaves (known as fronds), roots and sometimes true stems, and tree ferns have full trunks. Examples... View Article
The epicenter is the point on the earth's surface vertically above the hypocenter (or focus), point in the crust where a seismic rupture begins.... View Article
Atoms are the building blocks of everything we see. an atom remains the fundamental particle because it is the smallest unit. An atom is the... View Article
T4 lymphocytes, also known as Helper cells, are a type of white blood cell that orchestrate the immune response and enhance the activities of the... View Article
Unpaired t-test (also known as the student's t-test) and the paired t-test both assume that analysed data is from a normal distribution. It is... View Article
An earthquake has one magnitude unit. The magnitude does not depend on the location where measurement is made. A seismograph is the primary... View Article
The first step in measuring the distance between the Earth and the Sun is to find the relative distances between Earth and other planets. The... View Article
Silver is a chemical element with symbol Ag and atomic number 47. Its electronic configuration is [Kr] 4d105s1 Classified as a transition metal,... View Article
Green plants contain a pigment in their leaves called chlorophyll. If they did not have this pigment, they would not be able to make food. Plants... View Article
Gregor Mendel’s law of segregation states that the two alleles for each trait segregate, or separate, during the formation of gametes, and... View Article
The prefix dextro comes from the Latin word dexter. It means on the right side or to the right.The prefix levo comes from the Latin word laevo.... View Article
The Tropic of Capricorn can be found at latitude 23.5 degrees south. The Tropic of Cancer is at 23.5 degrees north. The equator is the circle... View Article
The stomach wall consists of 4 layers of tissue. From deep (external) to superficial (internal) these are the serosa, muscularis externa,... View Article