Soil salinity is measured by
To measure the mineral content (the total mineralisation) and salt concentration or the salinity of the soil, a instrument called the Conductivity meter is used. […]
Environment
Who is known as the father of paleontology?
Paleontology is the scientific study of fossils and the expert is known as the paleontologist. The founding father of the field of paleontology is French […]
Which law of evolution states that “warm-blooded” mammals of hot and humid areas have abundant melanin pigment?
Gloger’s Law states that warm-blooded animals (birds and mammals) have more melanin (black color pigments) in a hot humid environments such as the equator. The […]
A species inhabiting different geographical area is known as
Allopatric species inhabit different geographical areas. The allopatric speciation arises as a result of two populations of the same species becoming isolated from each other […]
The term ‘ecosystem’ was coined by :
Ecosystem, the complex interrelationships among living organisms with their physical environment. Ecosystems comprise of living or biotic factors, such as plants, animals, and other organisms as […]
Obligate parasites live:
Obligate parasites are organisms that are unable to complete their life cycle without a suitable living host. Without a living host, the obligate parasite will fail to reproduce. Obligate parasitism […]
Which important greenhouse gas, other than carbon dioxide, is being produced from the agricultural fields?
Greenhouse gases absorb and emit solar radiant energy and cause the greenhouse effect. The primary greenhouse gases are carbon dioxide (CO2), nitrous oxide (N2O), methane […]
The 10% energy transfer law in a food chain was proposed by:
The ten percent law of energy transfer in a food chain from one trophic level to the next was proposed by American Ecologist Raymond Laurel Lindeman (1942). The law […]
Which of the following groups of organisms are ecologically similar?
Producer protists: Producer protists are unicellular. Many of them produce their foods using sunlight and CO2. Like green plants, producer protists contain chlorophyll a, chlorophyll c pigments, […]
A coprolite is fossilized
A coprolite is a fossilized faeces. It is also known as coprolith. Coprolites are categorized as trace fossils and give evidence about the diet of extinct animals. The […]