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67 Cards in this Set

  • Front
  • Back

Abiotic

Non-Living

Artificial Selection

Humans breed plants and animals with desirable traits to produce offspring with those desirable traits

Asexual Reproduction

Reproduction of offspring without the use of sex cells.

Allele

A possible form of a gene.

Artificial Insemination

Artificial collection and injection of sperm from a male into a female; used in livestock breeding.

Biotic

Living

Binary Fission

A type of asexual reproduction in amoebas and other organisms in which a parent cell divides exactly into two identical cells.

Biological Diversity

The variety of species and ecosystems on earth. The 3 main diversity groups are; ecosystem diversity, community diversity, and genetic diversity.

Biotechnology

The use of living things to make agricultural, industrial, or medicinal products.

Budding

A type of asexual reproduction in which a new organism develops from an outgrowth, or bud, on the parent.

Commensalism

The relationship between species in which one species benefits, and the other species neither benefits nor is harmed.

Continuous Traits

Variation of traits/ characteristics such as body weight or height that are distributed on a continuum throughout a species, rather than grouped with discrete categories.

Cuttings, runners, tubers, bulbs, suckers

Cuttings- Reproduction by putting the cut end of a shoot into water or a moist earth and roots will grow.


Runners- Horizontal stems grow from a parent plant that grow above ground. Buds touch the ground they root and reproduce.


Tubers- Underground stem that's bearing buds where new plants grow.


Bulbs- Swollen leaves stored with food. A terminal bud produces and new plants will grow.


Suckers- A part of the plant that grows from the root or lower stem to grow a new plant.

Cleavage

The first divisions of a fertilized egg.

Chromosome

A structure in which DNA is arranged and along which genes are located.

Community

A group of populations of different species living in the same area.

Cross-Fertilization

The joining of a gamete from a pollen grain and a gamete from an ovule to form a zygote.

Cloning

Process of creating a clone.

Consumer

An organism that feeds off of other organisms

Decomposer

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

Discrete Traits

A discrete trait is a trait which doesn't have a range of phenotypes. For example; tongue rolling is a discrete trait. Some people can do it, some can't.

DNA

Deoxyribonucleic acid, genetic material found mainly in the nuceli of cells of living things.

Dominant Trait

The outward form observed when two opposite- acting alleles are inherited. EX; long leg length in fruit flies; an offspring with one short-leg allele and one long-leg allele will grow long legs; the short leg allele is recessive because it has no influence if a dominant, long-leg allele is present.

Extirpation

Extinction of an organism from a specific region.

Ex-situ Conservation

The maintenance of organisms outside of their ecosystems or natural habitats; an endangered species maintained in a zoo is an example.

Embryo

An undeveloped organism in its beginning stages.

Endangered

A species at risk of extinction.

Ecosystem

A particular environment where living things interact with other living things and non-living things.

Extinction

No longer in existence on the planet.

Fertilization

The union of a female sex cell and a male sex cell.

Gametes (eggs cells, sperm cells)

A sex cell, either female or male, that can unite with another to form a fertilized cell (zygote) that can develop into a new individual

Gene

A segment of DNA located at one particular place on a chromosome, which determines a specific characteristic of an organism.

Genetic Engineering

The intentional altering of DNA of an organism or a population of organisms.

Heritable characteristics

Characteristics that are transmitted from generation to generation such as eye colour

Habitat Destruction

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

Hybrid

An organism produced by crossing two individuals purebred for different forms of a trait

Interspecies Competition

Two or more species using the same limited resource

In-vitro Fertilization

A specialized technique by which an ovum, especially a human one, is fertilized by sperm outside the body, with the resulting embryo later implanted in the uterus for gestation.

Interspecies

Existing or occurring between species

Incomplete Dominance

The appearance in a heterzygote of a trait that is intermediate between either of the trait's homozygous phenotypes

Invasive Species

A species of plant, fungus or animal that was not originally in that area and can cause damage to the environment, human economy or human health.

Intraspecies

Arising or occurring within a species.

In-situ Conservation

Maintaining wild plants and animals in their functioning ecosystems.

Mitosis

A type of cell that will produce two twin daughter cells from one parent cell.

Mutualism

The relationship between two species in which both species will benefit.

Meiosis

The cell division that will produce 4 sex cells from one parent cell, and each cell will contain/have the genetic material of the original parent cell

Niche

The job of an individual organism or species in an ecosystem. This includes; habitat, food, reproduction, and interaction with other living and non-living things.

Natural Selection

A natural process in which the environment 'selects' which individuals will survive and reproduce depending on their traits.

Non-Heritable Characteristics

Characteristics caused by the environment, like tanned skin is caused by the UV rays from the sun.

Overspecialization

Species that has adaptions for certain environmental conditions which makes them vulnerable to extinction if the climate/ environment/ habitat changes.

Population

A group of organisms of the same species that are living in the same area.

Pollination

Process in which pollen is taken to the female reproduction organ of the plant, which starts fertilization.

Purebred

In this case, a plant or animal that was bred to consist of certain cells to create a new species.

Producer

Creates their own food using sun or water, and converts it into sugar or other components. Mostly seen in plants.

Predator- Prey

Predators are organisms.




Prey is the organism the predator eats.

Pollen

Yellow powder that comes from flowers, consisting of grains that contain male sex cells.

Parasitism

A relationship between species in which one species benefits and the other is harmed.

Recessive Trait

The outward form observed only when two same-acting, non-dominant alleles are inherited.

Resource Partitioning

When a resource is divided among two or more species co-existing in an niche/ecosystem.

Spores (Production)

Cells that are produced by asexual reproduction in certain organisms such as ferns, that can develop directly into an adult.

Species

Living organisms of the same kind that reproduce to create the same kind of organism

Symbiosis

A relationship between two different species.

Sexual Reproduction

The reproduction that involves the exchange of genetic material between two individuals which results in offspring that are genetically different.

Traits

A characteristic of an organism.

Variation

1) change or difference in condition, amount, or levels.




2) a different or distant form or version of something

Vegetative Reproduction

The type of asexual reproduction in plants that doesn't involve the formation of a seed.

Zygote

A fertilized egg.