Term
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Definition
-Evolutionary changes above species level
-Ex. appearance of major evolutionary developments - tetrapod limbs |
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Term
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Definition
-Genes that control development
-Control the rate, timing, and spatial pattern of changes in an organism's form as it develops into an adult |
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Term
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Definition
-Proportioning helps give a body its specific form
Ex. Arms and legs lengthen more during growth than the head and trunk |
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Term
| Definition of Heterochrony |
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Definition
-Is an evolutionary change in timing of developmental events
-Can have significant impact on body shape |
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Term
| Changes in Spatial Pattern (types of genes and what they do) |
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Definition
_Homeotic genes - determine such features as where a pair of wings and legs will develop on a bird or how flower's parts are arranged
-Placement and organization of body parts |
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Term
| Changes in Spatial Pattern (types of genes and what they do) |
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Definition
_Homeotic genes - determine such features as where a pair of wings and legs will develop on a bird or how flower's parts are arranged
-Placement and organization of body parts |
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Term
| The evolution of vertebrates from invertebrate animals was associated with |
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Definition
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Term
| Evidence on the bony palate for the presence of baleen in modern baleen whales |
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Definition
-Palate of modern baleen whale-minke whale showing series of nutrient foramina (openings) and sulci (grooves) that provide passage for branches of a blood vessel that nourish the tissue that baleen develops from
-On a fossil we see evidence of the presence of nutrient foramina on the palate |
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