53 results found

Search Results for: crop

Crop

Definition noun, plural: crops (1) (botany) A plant grown to be harvested for agricultural use. (2) (botany) The total... Read More

Crop yield

Definition noun The amount of plant crop (such as cereal, grain or legume) harvested per unit area for a given... Read More

Standing crop

Definition noun The total amount or weight, or energy content, of (a portion of) organisms existing in a specific area at a... Read More

The Application of Biotechnology to Nutrition: An Overview

Maureen Mackey, PhD, FACN Monsanto Company, St Louis, Missouri Address reprint requests to: Maureen Mackey, PhD,... Read More

Vertical gene transfer

Definition noun (genetics) The transfer of genes from parents to offspring Supplement Gene transfer refers to the movement... Read More

Independent variable

Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More

Legumes

Legumes Definition Legumes (singular: legume) are plants belonging to the family Leguminosae (Fabaceae). Leguminosae is... Read More

Genetic Engineering Advantages & Disadvantages

  Through genetic engineering, scientists are able to move desirable genes from one plant or animal to another or... Read More

Limiting factor

Limiting Factor Definition A limiting factor refers to any of the factors (variables) in an environment capable of limiting... Read More

Autotroph

Autotroph Definition What is an autotroph? In biology and ecology, an autotroph is an organism capable of making nutritive... Read More

Mimicry

Most would say imitation is the greatest form of flattery. In some cases that is quite true. However, imitation or mimicking... Read More

Selective Breeding

Reviewed by: Mary Anne Clark, PhD Thousands of years before Darwin proposed evolution by natural selection and... Read More

Effect of Chemicals on Growth & Development in Organisms

Plants Plants require a large number of elements to function properly, mainly carbon, oxygen, and hydrogen, essentially... Read More

Growth and Plant Hormones

Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More

Green revolution

Green revolution advances in genetics, petrochemicals, and machinery that culminated in adramatic increase in crop... Read More

Insect control

Definition noun A method of controlling insect population, such as by chemical, biological, or other means Supplement There... Read More

Photosynthesis

Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More

Diversity

Definition noun, plural: diversities (biology) The degree of variation of living things present in a particular... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Omnivorous diet

Definition noun A type of diet in which both animal and plant matter are the main food source Supplement An omnivorous diet... Read More

Renewable resource

Definition noun A type of natural resource that can be replenished or takes a rather short period of time for nature to... Read More

Tobacco

tobacco 1. (Science: botany) An American plant (Nicotiana Tabacum) of the nightshade family, much used for smoking and... Read More

Biotic factor

Biotic Factor Definition A biotic factor is the living component in an ecosystem. The term "biotic" means "of or related... Read More

Intracellular digestion

Intracellular Digestion Definition What is intracellular digestion? ‘Intra’ means "inside" and ‘cellular’ pertains... Read More

Alimentary canal

Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More

Botany

Botany is a highly diverse subject that encompasses several aspects of plants. When the question pops up, “what is a... Read More

Law of Segregation

Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that initially were... Read More

Secondary succession

We all have come across news where forest lands got destroyed by wildfires. Or sometimes we have read about an entire... Read More

Shelfords Law of Tolerance

Definition noun It is a law stating that a certain organism’s survival and existence depend upon the multifaceted set of... Read More

Yield

yield (Science: botany) standing crop expressed as a rate, i.e., grams dry weight per metre square per... Read More

Water in Plants

The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More

Neck

neck 1. The part of an animal which connects the head and the trunk, and which, in man and many other animals, is more... Read More

Mosaic

Definition (general) (1) A pattern consisting of numerous small pieces (or elements) fitted together. (2) Anything that... Read More

Aves

Aves Definition What are birds classified as? Birds constitute the class Aves of the kingdom Animalia. How to define Aves?... Read More

Hypothesis

What Is Hypothesis? A scientific hypothesis is a foundational element of the scientific method. It's a testable statement... Read More

Biosecurity and Biocontrol

By: Maria Victoria Gonzaga In the previous lesson, we learned about the importance of modern science... Read More

Biorefineries – Industrial Processes and Products: Status Quo and Future Directions

Biorefineries - Industrial Processes and Products: Status Quo and Future Directions  ... Read More

Gene transfer

Definition noun, plural: gene transfers The transfer of genes between organisms Supplement Gene transfer pertains to the... Read More

Weed

weed (Science: botany) Any plant that is growing in a place where a human wants a different kindof plant or no plants at... Read More

Pathogen

What are Pathogens? Pathogens are defined as microscopic organisms, including viruses, bacteria, fungi, and parasites that... Read More