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20 Cards in this Set
- Front
- Back
- 3rd side (hint)
Name a, b and c |
A) Phosphate B) Base C) Deoxyribose sugar |
DNA |
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Natural selection |
It is the process by which organisms better adapted to their environments are most likely to survive and produce offspring. This was Charles Darwin's theory and is now regarded as the main way in which evolution came about |
Adapted to environment |
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Selective agent |
An environmental agent that acts on a particular population during natural selection |
Environment |
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Biodiversity |
The range and number of different species that exist on Earth or in an ecosystem |
Range and number of..... |
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Genetic isolation |
keeping interbreeding groups apart through the use of some barrier mechanism. It stops the flow of genes |
Isolating through a mechanism |
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Analogous structures |
These are structures that appear similar or have the same function but are controlled by different genes |
Different |
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Homologous structures |
These are the structures that are controlled by some of the same inherited genes |
Same |
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Cross-breeding |
Selective breeding by combining a desirable feature of an individual with another in the offspring |
One parent and another |
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Artificial selection |
The process by which people choose to breed particular organisms with desirable features; also known as selective breeding and directed selection |
People cause |
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Mutation |
A mistake that occurs as DNA is copied, causing a change to the base sequence |
Change in base pairs |
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Pentadactyl Limbs |
An organism with 5 digits on each limb |
A hand |
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Adaptations |
Characteristics that help an organism to survive in its environment |
Survive environment |
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Sexual selection |
A special case of natural selection where the environmental factor is the selection of a mate |
Male and femal |
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Mitosis |
Asexual reproduction of cells for growth and repair |
Skin, stomach |
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Mitosis |
Asexual reproduction of cells for growth and repair |
Skin, stomach |
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Meiosis |
Sexual reproduction Gametes Sex cells |
Sperm, Ovum |
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Haploid |
Half the average amount if chromosomes (23). Sex cells (gametes) |
Sperm |
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Haploid |
Half the average amount if chromosomes (23). Sex cells (gametes) |
Sperm |
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Diploid |
The normal amount of chromosomes (46) found in every other cell except for sex cells |
Skin |
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Bases found in DNA |
Adenine, Thymine, Cytosine, Guanine |
A... |
