Term
| darwin's 2 main arguements |
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Definition
1. the present species evolved from ancestral ones
2. evolution occurs by means of natual selection, the process by which the traits that promote or enhance an organism's ability to survive and reproduce are passes on to the following generations |
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Term
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Definition
| each generation of an orgainsism produces more offspring than can survive. only those best suited to their enviroment survive. they pass those traits down to their offspring. |
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Definition
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Term
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Definition
| the geographical distribution of plants and animals |
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Term
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Definition
| the comparison of organisms' embryos |
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Term
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Definition
| biology at the molecular level |
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Term
| according to the theory of evolution and the fossil record what is the order that organisms evolved |
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Definition
| fish, amphibians, reptiles and finally mammals and birds |
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Term
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Definition
the sudy of scientific classification.
taxonomist group species according to their similarities and differences |
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Term
| the broadest unit of classification per taxonomy |
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Definition
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Term
| the five types of kingdoms (taxonomy) |
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Definition
-animal
-plant
-monera (bacteria)
-protist (protoa, algea, and some
molds)
-fungi (molds, mushrooms, yeast) |
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Term
| after kindoms in order, what are the rest of the levels of classification |
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Definition
-phylum
-class
-order
-family
-genus
-species |
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Term
| the scientific name for something is always the _____ and ______. |
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Definition
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Term
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Definition
| organisms that produce their own food from inorganic substances. (plants are autotrophs) |
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Term
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Definition
| obtain food by consuming plants or other animals. also referred to as consumers |
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Term
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Definition
herbivores
omnivores (eat plant and meat) |
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Term
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Definition
carnivores
or omnivores that eat herbivores |
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Term
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Definition
| carnivores that eat other carnivores and omnivores |
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Term
| the 4 most common elements of the human body |
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Definition
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Term
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Definition
-found in bones and teeth
-important positive ion in the body
-muscle and nerve function
-blood clotting |
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Term
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Definition
- P
_ 1%
found in bones and teeth
-part of many different molecules (especially proteins and nucleic acids
-part of acid/base buffer |
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Term
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Definition
-s .25%
-especially important in proteins (enzymes)and other molecules |
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Term
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Definition
K .20%
positive ion mostly inside cells
-importand throughout body in water balence
-nerve and muscle funtion |
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Term
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Definition
Na .15%
-positive ion mostly outside cells
-important throughout body in water balence
-ph, nerve and muscle function |
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Term
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Definition
| Cl .15% -important negative ion -functions in transport of 02 -important for formation of HCI |
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Term
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Definition
Mg .05%
-mostly in bones
-needed for enzyme function in ATP formation
-forms positive ion |
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Term
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Definition
Fe .006%
-in blood, liver, spleen and bone
-part of hemoglobin and enzymes
-positive ion |
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Term
| what of the trace elements are needed for enzyme function |
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Definition
manganese- Mn
copper- Cu
cobalt- Co
Zinc- Zn |
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Term
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Definition
| needed for production of thyroid hormone |
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