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| 354597947 | all of the organisms of the same species found within a specific geographic region | Define Population: | |
| 354597948 | a population of all the organisms potentially capable of reproducing/breeding | Define Species: | |
| 354597949 | a member of a species | Is an individual organism a species or a member of a species? | |
| 354597950 | number; size | The chromosomes of reproducing organisms in a species are identical in __ and __. | |
| 354597951 | morphological species concept | What is it called when scientists compare structural characteristics to identify species because it is not always possible to breed organisms to see if they get fertile offspring? | |
| 354597952 | structural | Morphological traits: the __ descriptions ex. Blue Jays have 2 wings, feathers, 3 toes forward, 1 toe back, wrist bones - are they the same? | |
| 354597953 | cells; body parts | Physiological Traits: how __ and __ work during metabolism, growth, reproduction, etc. | |
| 354597954 | behaviors; stimuli | Behavioral Traits: the __ of organisms; they respond the same way to basic __. | |
| 354597955 | morphs; polymorphism | Traits usually come in 2 or more distinct forms called __. If there is a lot of variation, it is called __. (Humans are this because there is a lot of variation in eye color, hair color, skin color, etc. | |
| 354597956 | gene pool | All the genes in a population are known as the __. | |
| 354597957 | genetic resources | Gene Pool: A pool of __ shared by all members of a population and their offspring and then their offspring, etc. | |
| 354597958 | neutral; harmful; beneficial | Gene mutation: produces new alleles which can be __, __, or __. | |
| 354597959 | combinations | Crossing over: results in new __ of alleles in chromosomes. | |
| 354597960 | maternal; paternal | Independent Assortment: puts mixes of __ and __ chromosomes in gametes. | |
| 354597961 | alleles ; sperm; egg | Fertilization: combines __ from 2 parents. -millions of __ with different allele combinations but only 1 will fertilize the __ (usually). | |
| 354597962 | number; inversion/deletion | Chromosomal Mutations: may include an alteration in the __ of chromosomes inherited such as down syndrome. -may also have __/__ where a segment of the chromosome is missing. | |
| 354597963 | differences | Genetic Diversity: a term used to describe genetic __ among members of a population | |
| 354597964 | many | High genetic diversity indicates that there are __ different alleles for each characteristic. | |
| 354597965 | few | Low genetic diversity indicates that there are __ alleles for each characteristic. | |
| 354597966 | population; genetic change | Allele Frequencies: the abundance of each kind of allele in a __; you can track the rate of __ over generations by observing allele frequencies. | |
| 354597967 | yes | Is it possible fore 2 populations of the same species to have all the same alleles but with different frequencies? | |
| 354597968 | value; valuable | What really determines the frequency of an allele in a population is the __ that the allele has to the organism possessing it. Example: Dark skin alleles are __ to the people in Africa because of the bright sun in the tropical environment. | |
| 354597969 | colonizing individuals | Founder Effect: the situation in which a genetically distinct local population is established by a few __. | |
| 354597970 | larger; less genetic makeup | If a few individuals leave a population, they can't possibly carry all the alleles available to them in the __ gene pool. They have __ in the gene pool from where the colonists immigrated from. | |
| 354597971 | irregular rise and fall; smaller | Genetic Bottleneck: occurs when there is an __ and __ in the environment. The survivors have a __ population and experience genetic drift. | |
| 354597972 | random evolutionary changes; eliminated | Genetic Drift: the production of __ in small breeding populations...one allele may be __ from the population regardless of the allele being harmful or helpful. | |
| 354597973 | colonized separately | Barriers to Movement: animals and plants that live in lakes tend to be divided into small, separate populations by barriers of land. When these barriers exist, there will likely be differences in allele frequencies from lake to lake because each lake was __. | |
| 354597974 | changing | Mutations: Mutations introduce new genetic info into a population by __ alleles that are already present. | |
| 354597975 | combinations | Sexual Reproduction: Sex does not produce new alleles, but it gives new __ of alleles. | |
| 354597976 | population | Migration: The migration of individuals from one genetically distinct __ to another. | |
| 354597977 | subtracts; adds | Migration: If one organism leaves a population, it __ its genetic info from the population and __ it to the new population it joins. | |
| 354597978 | reduce | Does inbreeding reduce or increase genetic diversity? | |
| 354597979 | less; genetic drift | The size of a population: the smaller the population, the __ genetic diversity. Smaller populations are more influenced to __. | |
| 354597980 | frequency | Evolution is a change of the __ of genetically determined characteristics within a population over time. | |
| 354597981 | small; allele | Microevolution: change in __ scale changes in __ frequencies bought by mutations, natural selection, gene flow, and genetic drift. | |
| 354597982 | large; species | Macroevolution: Change in __ scale evolutionary changes over time spans; there has been so much genetic drift over long periods of time that new kinds of __ are produced. | |
| 354606107 | When organisms of different species do not interchange genetic info. | What is the biological species concept? |
