What is a form of cell division that halves the number of chromosomes when forming specialized reproductive cells, such as gametes or spores?
100
Radiometric dating
What is the estimation of the age of an object by measuring its content of certain radioactive isotopes?
100
habitat
What is the place where a particular population of a species lives?
100
molecule
What is the smallest unit of a substance that keeps all of the physical and chemical properties of it and it can consist of one atom or two bonded together?
200
Homeostasis
What is the maintenance of stable internal conditions in spite of changes in the external environment?
200
Life cycle
What is the entire span in the life of an organism from one generation to the next?
200
adaptation
What is a feature that has become common in a population because the feature provides a selective advantage?
200
community
What is the many different species that live together in a habitat?
200
homozygous
What is individual that has identical allels for a trait on both homologous chromosomes?
300
Prokaryote
What is the single-celled organism that lacks a nucleus and other internal compartments?
300
Heredity
What is the process of passing of traits from parents to offspring?
300
population
What is a group of organisms of the same species that live in a specific geographyical area and interbreed?
300
abiotic
What is the physical aspects of a habitat?
300
fossil
What is the preserved or minerlized remains?
400
Photosynthesis
What is the process by which light energy is converted to chemical energy?
400
Transformation
What is a change in genotype caused when cells take up foreign genetic material?
400
taxonomy
What is the science of naming and classifying organisms?
400
niche
What is the functional role of a particular species in an ecosystem?
400
trophic level
What is one of the steps in a food chain or food pyramid?
500
Homologous
What is the chromosomes that are similar in size, shape, and genetic content?
500
Repressor
What is a protein that binds to an operator and physically blocks RNA polymerase from binding to a promoter site?
500
genus
What is a taxonomic categorycontaining simular species?
500
realized niche
What is the part of its fundamental niche that a species occupies?
500
biodiversity
What is the number and variety of organisms in a given area during a specific period of time?