Scince

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Bio Diversity

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

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Biotic

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of, relating to, or resulting from living things, especially in their ecological relations.

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Population

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all the inhabitants of a particular town, area, or country.

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Niche

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a shallow recess, especially one in a wall to display a statue or other ornament.

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Decomposer

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an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material

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Commensalism

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an association between two organisms in which one benefits and the other derives neither benefit nor harm.

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Interspecies Compitition

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Interspecific competition, in ecology, is a form of competition in which individuals of different species compete for the same resource in an ecosystem (e.g. food or living space). The other form of competition isinterspecific competition, which involves organisms of the same species.

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Variation

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

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Heritable charectaristics

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Any trait that can be directly linked to what is contained in your DNA is a heritable trait.Heritable diseases are called genetic disorders. A genetic disorder is a condition caused by damaged, incomplete, or incorrect DNA passed from parent to offspring.

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Continuous traits

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Distribution of phenotypes in the population.

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Budding

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(of a plant) having or developing buds.

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Cuttings

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A plant cutting is a piece of a plant that is used in horticulture for vegetative (asexual) propagation

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Runners

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In botany, stolons are stems which grow at the soil surface or just below ground that form adventitious roots at the nodes, and new plants from the buds. Stolons are often calledrunners.

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Tubers

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A stem tuber forms from thickened rhizomes or stolons. The top sides of the tuberproduce shoots that grow into typical stems and leaves and the under sides produce roots. They tend to form at the sides of the parent plant and are most often located near the soil surface.

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Bulbs

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A short, modified, underground stem surrounded by usually fleshy modified leaves that contain stored food for the shoot within: an onion bulb; a tulip bulb. b. A similar underground stem or root, such as a corm, rhizome, or tuber.

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Suckers

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Sucker (botany), a term for a basal shoot that grows from the base of a tree or shrub.

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Gametes

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a mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote.

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Cleavage

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cell division, especially of a fertilized egg cell.

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Pollination

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Pollination is the process by which pollen is transferred to the female reproductive organs of a plant, thereby enabling fertilization to take place.

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Chromesome

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a threadlike structure of nucleic acids and protein in the nucleus of living cells, carrying genetic information in the form of genes.

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Mitosis

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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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Purebread

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an animal bred from parents of the same breed or variety.

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Recessive Trait

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Extirpation

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to remove or destroy totally; do away with; exterminate.

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Habitat destruction

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Habitat destruction is the process in which naturalhabitat is rendered unable to support the species present. In this process, the organisms that previously used the site are displaced or destroyed, reducing biodiversity.

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Biotechnology

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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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In-vitro fertalization

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In vitro fertilization (IVF) is a complex series of procedures used to treat fertility or genetic problems and assist with the conception of a child. During IVF, mature eggs are collected (retrieved) from your ovaries and fertilized by sperm in a lab.

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Ex-situ conservation

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In Situ Conservation Methods. ... Ex-situ conservation is the preservation of components of biological diversity outside their natural habitats. This involvesconservation of genetic resources, as well as wild and cultivated or species, and draws on a diverse body of techniques and facilities.

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Interspecies

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interspecies - arising or occurring between species; "an interspecific hybrid" interspecific. intraspecies, intraspecific - arising or occurring within a species; involving the members of one species; "intraspecific competition" Based on WordNet 3.0, Farlex clipart collection.

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Antibiotic

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a medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys microorganisms.

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Community

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a group of people living in the same place or having a particular characteristic in common.

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Producer

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An autotrophic organism that serves as a source of food for other organisms in a food chain.

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Predator-prey

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A predator is an organism that eats another organism. The prey is the organism which the predator eats.

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Mutualism

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symbiosis that is beneficial to both organisms involved.

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Resource partitioning

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Resource partitioning is the process whereby similar species exploit the limited resources in an ecological area without one species driving the others into extinction. Through natural selection, each species adopts a pattern of resource usage that isn't competitive.

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Natural Selection

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the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.

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Non-heritable charecteristics

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An acquired characteristic is a non-heritable change in a function or structure of a living biotic material caused after birth by disease, injury, accident, deliberate modification, repeated use, disuse, or misuse, or other environmental influences.

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Asexual reproduction

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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; it does not involve the fusion of gametes and almost never changes the number of chromosomes.

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Spores

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a minute, typically one-celled, reproductive unit capable of giving rise to a new individual without sexual fusion, characteristic of lower plants, fungi, and protozoans.

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Fertilization

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the action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote.

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Embryo

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an unborn or unhatched offspring in the process of development.

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Cross-fertalization

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fertilization in which the gametes are produced by separate individuals or sometimes by individuals of different kinds

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Gene

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a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

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Meiosis

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a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.

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Hybrid

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the offspring of two plants or animals of different species or varieties, such as a mule

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Incomplete dominance

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Incomplete dominance is a form of intermediate inheritance in which one allele for a specific trait is not completely expressed over its paired allele. This results in a third phenotype in which the expressed physical trait is a combination of the phenotypes of both alleles

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Endangerd

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A species seriously at risk of extinction.

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Invasive species

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An invasive species is a plant, fungus, or animal species that is not native to a specific location (an introduced species), and which has a tendency to spread to a degree believed to cause damage to the environment, human economy or human health.

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Cloning

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propagate (an organism or cell) as a clone.

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Genetic engeneering

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

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Intraspecies

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intraspecies - arising or occurring within a species involving the members of one species

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Species

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a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.

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Ecosystem

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a biological community of interacting organisms and their physical environment.

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Consumer

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a person who purchases goods and services for personal use.

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Symbiosis

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interaction between two different organisms living in close physical association, typically to the advantage of both.

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Parasitism

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Parasitism is a relationship between two things in which one of them (the parasite) benefits from or lives off of the other, like fleas on your dog.

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Artificial selection

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The breeding of plants and animals to produce desirable traits.

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Discrete traits

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Discrete or discontinuous traits: traits occur in distinct. Categories: Trait is there or it is not (examples: albinism, cystic fibrosis, Huntington's disease) Mendelian inheritance, single genes, dominance, recessiveness.

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Binary Fission

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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. After replicating its genetic material, the cell divides into two nearly equal sized daughter cells. The genetic material is also equally split.

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Vegetative reproduction

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Vegetative reproduction is a form of asexual reproduction in plants. It is a process by which new organisms arise without production of seeds or spores.

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Sexual Reproductive

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the production of new living organisms by combining genetic information from two individuals of different types (sexes). In most higher organisms, one sex (male) produces a small motile gamete that travels to fuse with a larger stationary gamete produced by the other (female).

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Zygote

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a diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum.

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Pollen

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a fine powdery substance, typically yellow, consisting of microscopic grains discharged from the male part of a flower or from a male cone. Each grain contains a male gamete that can fertilize the female ovule, to which pollen is transported by the wind, insects, or other animals.

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DNA

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deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.

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Allele

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one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.

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Traits

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a distinguishing quality or characteristic, typically one belonging to a person.

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Dominant trait

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In genetics, a trait that will appear in the offspring if one of the parents contributes it. ( Compare recessive trait.) Note : In humans, dark hair is a dominant trait; if one parent contributes a gene for dark hair and the other contributes a gene for light hair, the child will have dark hair.

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Extinction

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the state or process of a species, family, or larger group being or becoming extinct.

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Overspecialization

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excessive specialization, as in a field of study.

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artificial selection

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Artificial selection is the intentional breeding of plants or animals. It means the same thing as selective breeding. Selective breeding is a technique used when breeding domesticated animals, such as dogs, pigeons or cattle. Some of these animals will have traits that a breeder will want to preserve.

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Artificial insemination

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the injection of cum into the vagina or uterus other than by sexual intercourse.

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In-situ conservation

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In-situ conservation is the on-site conservation or the conservation of genetic resources in natural populations of plant or animal species, such as forest genetic resources in natural populations of tree species.