a variation of the same sequence of nucleotides at the same place on a long DNA molecule

refers to the genetic makeup of an organism

refers to an individual's observable traits, such as height, eye color and blood type.

refers to the inheritance of traits controlled by a single gene with two alleles , one of which may be completely dominant to the other.

refers to the inheritance of traits that have a more complex genetic basis than one gene with two alleles and complete dominance.

All individuals of a species in a given area that can interbreed.

difference in DNA among individuals or the differences between populations.

is the study of the genetic composition of populations, including distributions and changes in genotype and phenotype frequency

All the alleles of all the individuals in a population.

How often a trait is found. Usually expressed as a fraction or a decimal

A type of blood cell found in the blood that contains a protein called hemoglobin, which carries oxygen from the lungs to all parts of the body.

the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations

a person who moves away from his or her place of usual residence, whether within a country or across an international border, temporarily or permanently, and for a variety of reasons.

the effect of human activity on the environment in the form of creating environmental imbalance.

involving or creating favorable circumstances that increase the chances of success or effectiveness

the natural arrangement of various species or taxa of living organisms in their appropriate habitats on the Earth.

a type of cell division in sexually reproducing organisms that halves the number of chromosomes in gametes

The process by which a single parent cell divides to make two new diploid daughter cells

thread-like strands of DNA containing hundreds to thousands of genes

the cell that divides to give rise to two daughter cells

The molecule inside the nucleus that contains the genetic information responsible for the development and function of an organism

A haploid cell (half the DNA) released from either of the female reproductive organs

A haploid sex cell (gamete) that is produced by the males in most of the animals and humans

four haploid daughter cells that are the result of the cell division called meiosis

the process of decomposers transforming organic (often dead) materials into nutrient-rich soil through the process of decomposition

organisms within an ecosystem depending on each other for certain resources or biological processes

Outlines what organisms eat who and the how energy and matter flow through an ecosystem

a visual way to show what the organisms in a habitat eat

the position of an organism in the food chain

between, amid, among. within. mutual, together

The layer of gasses and air that surround earth, mainly composed of oxygen and nitrogen but also includes water vapor and carbon dioxide.

The total amount of water on earth including on the surface, in the air, or underground as a liquid, gas, or solid.

The places life exists on earth such as underground, deep ocean floors, to forests or mountains.

The solid part, or “rock” part of earth. Comprised of (but not limited to) earth’s crust, molten rock, or sand.

A group of individuals of the same species living and interbreeding within a given area

an area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life

A type of single-cell microorganisms that are extremely small prokaryotes

Usually aquatic, a type of photosynthetic organism with a nucleus, but lacking other plant-cell structures

The process that moves carbon between plants, animals, and bacteria; minerals in the earth; and gasses in the atmosphere

A repeating cycle of processes causing nitrogen to move through both living and non-living things in different forms for different uses

a system wherein there is free exchange of both matter and energy with the surroundings

a chemical process by which molecular nitrogen (N. 2), which has a strong triple covalent bond, is converted into ammonia (NH. 3. ) or related nitrogenous compounds

Signal that is sent on nerves.

Organs and tissues that work together for a specific function in a body.

the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.

highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body.

Part of the human body that detect a stimulus, they send this information through the nervous system (similar to wires) to the brain.

a regulatory substance produced in an organism and transported in tissue fluids such as blood to stimulate specific cells or tissues into action.

 organisms on the lowest level of the food web who make their own food with energy from the sun and serve as the food for consumers.

organisms that feed and eat producers or other consumers.

 feed on dead matter (dead plants, animals)

The layer of gasses and air that surround earth, mainly composed of oxygen and nitrogen.

The total amount of water on earth including on the surface, in the air, or underground as a liquid, gas, or solid.

Signal that is sent on nerves.

part of the body (brain) that responds to stimuli/receptor.

biological transducers that convert energy from both external and internal environments (stimuli) into electrical impulses that go to brain.

an organ or cell that acts in response to a stimulus - muscles and glands

feedback that tends to dampen a process by applying the output against the initial conditions

amplifying or magnifying the change or output.

A state of balance among all the body systems needed for the body to survive and function correctly.

the quality or state of not being multiple: oneness

to the existence of variations of different characteristics in a group of people or living organisms.

a different or distinct form or version of something.

all the different species of organisms in an area.

of, belonging to, inherited from, or denoting an ancestor or ancestors.

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

the process through which species adapt to their environments. It is the engine that drives evolution.

a person who is related to you and who lives after you.

Situated in the Pacific Ocean some 1,000 km from the South American continent, these 19 islands have been called a unique ‘living museum and showcase of evolution’.

an English naturalist, geologist, and biologist,[8] widely known for his contributions to evolutionary biology.

A group of organisms that share common characteristics, and can interbreed in nature to produce fertile offspring.

a category of biological classification ranking between the family and the species, comprising structurally or phylogenetically related species

the inability of a species to breed successfully with related species due to geographical, behavioral, physiological, or genetic barriers or differences

having descended from one ancestor. It results in new species forming from one ancestral population.