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A bioindicator is a living organism that gives us an idea of the health of an ecosystem.

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exterminate implies complete and immediate extinction by killing off all individuals <exterminate cockroaches>. extirpate implies extinction of a race, family, species, or sometimes an idea or doctrine by destruction or removal of its means of propagation <many species have been extirpated from the area>.

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in biology and ecology, extinction is the end of an organism or of a group of organisms (taxon), normally a species.

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the process whereby organisms better adapted to their environment tend to survive and produce more offspring

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Artificial Selection is the intentional breeding of plants or animals.

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An organism that has had part of another species' genome transferred into its own through the techniques of genetic engineering.

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the exploitation of biological processes for industrial and other purposes, especially the genetic manipulation of microorganisms for the production of antibiotics, hormones, etc.

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the deliberate modification of the characteristics of an organism by manipulating its genetic material.

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Mitosis is nuclear division plus cytokinesis, and produces two identical daughter cells during prophase, prometaphase, metaphase, anaphase, and telophase.

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Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells.

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Sex cells, or gametes, are unique to organisms that reproduce sexually.

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any cell of a living organism other than the reproductive cells.

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the central and most important part of an object, movement, or group, forming the basis for its activity and growth.

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In genetics, a mutagen is a physical or chemical agent that changes the genetic material, usually DNA, of an organism and thus increases the frequency of mutations above the natural background level.

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the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA

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The first allele is dominant and the second allele is recessive.

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most important, powerful, or influential.

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A gene is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins.

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Deoxyribonucleic acid is a molecule that carries the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.

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Continuous variation is variation that has no limit on the value that can occur within a population.

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variation in phenotype traits in which types are grouped into discrete categories with few or no intermediate phenotype.

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Genetics is the study of genes, genetic variation, and heredity in living organisms.

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zygote's genome is a combination of the DNA in each gamete, and contains all of the genetic information necessary to form a new individual.

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Bacterial conjugation is the transfer of genetic material between bacterial cells by direct cell-to-cell contact or by a bridge-like connection between two cells.

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the thick-walled resting cell of certain fungi and algae, arising from the fusion of two similar gametes.

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the production of new living organisms by combining genetic information from two individuals of different types

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(of a part of the body) becoming larger as part of the process of normal growth.

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propagate (an organism or cell) as a clone.

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In biology, a spore is a unit of asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavorable conditions.

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Binary Fission ("division in half") is a kind of asexual reproduction. It is the most common form of reproduction in prokaryotes and occurs in some single-celled eukaryotes

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Asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only

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the preying of one animal on others.

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Specialist frequently refers to an expert in a profession.

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a person competent in several different fields or activities.

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A broad niche is a large group of people that share a common interest, according to Finding Niches. For example, aficionados of automobiles, gaming, photography or running are broad niches.

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Competition is, in general, a contest or rivalry between two or more organisms, animals, individuals, economic groups or social groups, etc.

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A place or position (something) in a niche

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A diversity index is a quantitative measure that reflects how many different types (such as species) there are in a dataset, and simultaneously takes into account how evenly the basic entities (such as individuals) are distributed among those types.

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Behavioural adaptations. are the things organisms do to survive. For example, bird calls and migration are behavioural adaptations.

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Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear.

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the formation of new and distinct species in the course of evolution

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A change or difference in condition, amount, or level, typically with certain limits.

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Search Results

A species is often defined as the largest group of organisms in which two individuals are capable of reproducing fertile offspring, typically using sexual reproduction.

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the variety of life in the world or in a particular habitat or ecosystem.