16 results found

Search Results for: resistance factor

Resistance factor

Definition noun, plural: resistance factors The earlier term used to refer to the plasmid that confers certain bacteria the... Read More

Circulation

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

R factor

Definition noun, plural: R factors Abbreviated term for resistance factor that confers certain bacterial strain resistant to... Read More

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Community (biology)

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

Environmental resistance

Definition noun The resistance presented by the environmental conditions to limit a species from growing out of control or... Read More

Genetic diversity

Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Genetic Mutations

Reviewed by: Mary Anne Clark, Ph.D. Genetic Mutations Genetic mutations are inherited variations in an... Read More

Population Regulation in an Ecosystem

Darwin focused some of this work in regards to the population size of a species, and what factors may affect them. He... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Autotroph

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

Ribonucleic acid

Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More

Nuclear body

Definition noun plural: nuclear bodies nu·cle·ar bod‧y, ˈnjuː.kli.ər ˈbɒdi Any of the prominent non-membraned,... 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

The Gene Pool and Population Genetics

Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial is about adaptive radiation. Adaptive radiation is... Read More