16 results found

Search Results for: cross-resistance

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Neural Control Mechanisms

Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More

Community (biology)

Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... Read More

Muscular system

Muscular System Definition What is the muscular system? The muscular system is a system that includes muscle cells and... Read More

Multiple alleles

Alleles are the pairs of genes occupying a specific spot called locus on a chromosome. Typically, there are only two alleles... Read More

Sexual reproduction

Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More

Isotonic

Isotonic Definition What does isotonic mean? The term "isotonic" is used in physiology, anatomy, and physical chemistry.... Read More

Plant Tissues

Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More

Phylogeny

Phylogeny refers to the evolutionary history of the development of a species or of a taxonomic group of organisms. The... Read More

Dominant

Dominant Definition The word dominant or dominant trait is commonly used in biology. The general meaning of dominant is to... Read More

Selective Breeding

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

Chromosomal mutation

Every living thing is made up of DNA. Our DNA is what makes us unique and different in the world. Our DNA is made up of... Read More

Allopolyploidy

Definition noun (genetics) A type of euploidy wherein the additional set of chromosomes is derived from another species,... Read More

Darwinian fitness

Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More

Epidermis

Epidermis Definition What is the epidermis? We can define the epidermis as one or more layers of cells forming the tough... Read More