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20 Cards in this Set
- Front
- Back
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Nerve cells transport messages throughout the body.
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Nerve Cells
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Stem cells transport glucose and water, and root cells absorb water.
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Stem Cells
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Muscle cells are used to move the bones and body. Bones cells support the organism.
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Muscle cells
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Reptiles have scales, breathe with lungs and lay eggs on land to produce offspring.
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Reptiles
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Parasites get their energy by harming their host.
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Parasites
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Thoery of Evolution states that all living things change over time.
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Theory of Evolution
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Recessive traits seem to dissapear when only one weaker gene are present because it is hidden by a stronger gene.
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Recessive traits
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Multi-celld organisms that do not make their own food and do not move are classified as fungi; mold is an example.
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Fungi
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Specilized cells do not look the same because thay are shaped a certain way so they are able to perform their job/function.
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Specialized cells
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Genes are segments of DNA found on chromosomes.
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Genes
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Exposure to toxins can genetically change a living thing.
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Toxins
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Fossils provide important evidence oh how life and environmental conditions have changed over time.
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Fossils
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Selective breeding occurs when humans hoose which traits show up in a population
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Selective breeding
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Birds have feathers and lay eggs to produce offspring, while mammals have hair/fur, and nurse their young.
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Birds
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Fish have scales, breathe with gills and lay eggs in water to produce offspring.
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Fish
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Genotype is the two-letter code for a specific trait.
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Genotype
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Phenotype is the physical apperance of a specific trat, for example blond hair or brown hair; its what you see.
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Phenotype
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Two reccesive genes must be present in order fo the recessive trait to be expressed.
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Recessive traits
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Acquired traits are gained or learned from the environment; one is not born with these traits
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Acquired traits
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Inherited traits are passed on from parent to offspring.
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Inherited traits
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