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46 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Variation between species |
Differences in characteristics or traits among 2 or more types of organisms |
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Variations within species |
Differences in characteristics or traits in one type of organism. |
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Broad niche |
The roles or characteristic activities filled by a generalist organism. |
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Narrow niche |
A highly specialized role or characteristic activity undertaken by an organism in an ecosystem. |
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Specialists |
A type of organism that is adapted to very specific environments. |
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Asexual reproduction |
The formation of a new individual from a single organism |
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Dominant trait |
An inherited trait that shows up in the offspring. |
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Recessive trait |
a trait that must be contributed by both parents in order to appear in the offspring |
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Binary fission |
The splitting of a single selled organism into two new organisms approximately equal in size, amobae and many bacteria reproduce asexually through this process. |
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Mutualism |
a type of symbiotic relationship where all species involved benefit from their interactions |
A symbiotic relationship |
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Parasitism |
a relationship between two species in which one of them benefitted and the other species is harmed |
A symbiotic relationship |
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Commensalism |
a symbiotic relationship in which one species benefits while the other species is not affected |
A symbiotic relationship |
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What is the female gamete of a plant |
Ovule |
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What is the male gamete in a plant? |
Anther |
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What does the female gamete in a plant (the ovule) do? |
the site of fertilization |
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What does the male gamete in a plant (the anther) do |
Make and spread pollen |
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What is taxonomic classification |
the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world |
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Food chain |
group of organisms linked in order of the food they eat, from producers to consumers, and from prey, predators, scavengers, and decomposers |
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Stages of sexual reproduction |
Pre-fertilization, Fertilization, and Post-fertilization |
3 stages |
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What are heritable traits |
traits that can be passed down from parent to offspring |
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What are some examples of discreet variation? |
Rolling your tongue, left or right handed |
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What is continuous variation?? |
Traits that show a range of possibilities |
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Examples of continuous variation? |
Height and weight |
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Examples of dominant trait. |
Hair color, eyecolor |
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What is a dominant trait? |
A trait that shows up in the offspring. |
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What is a recessive trait |
A trait that only shows up if both the parents have it. |
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Examples of recessive trait? |
Dimples, straight hairline, freckles, and albinism |
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What is natural selection? |
Evolution. Animals changing due to their environment. |
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Meiosis definition |
a process where a single cell divides twice to produce four cells with 23 chromosomes |
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What is mitosis |
A cell splitting into 2 with 46 chromosomes |
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What is extirpation |
An organism being extinct in one area of the world but still existing in other parts of the world |
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What causes extirpation? |
Natural disasters and no more materials for them to survive (food, water, or habitat) |
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What is extinction |
the dying out or extermination of a species |
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What causes extinction? |
overhunting or overharvesting; introduction of nonnative species, including the spread of disease; and habitat loss |
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What is artificial selection |
the process by which humans choose individual organisms with certain trait values for breeding |
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What are the benefits of artificial selection? |
greater improvements in plants and animals to allow our population to survive |
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What are the cons of artificial selection? |
Negative effects include increased risk of genetic diseases |
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What is the Blacked out label? |
Filament |
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What is the Blacked out label? |
Anther |
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What is the Blacked out label? |
Stigma |
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What is the Blacked out label? |
Style |
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What is the Blacked out label? |
Petal |
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What is the Blacked out label? |
Sepal |
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What is the Blacked out label? |
Ovary |
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What is the Blacked out label? |
Receptacle |
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Taxonomic Classification order? |
Kingdom phylum class order family genus species |
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