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Gene variant. Each human cell has two copies of each gene. Those two copies are often different from each other because they have slightly different orders of genetic letters. Each copy is an allele.
Many extinct organisms are found in amber
Used in perfumes to 'fix' scent and slow evaporation
Reproduces by dividing (binary fission)
Sugars, starches and glucose polymers.
Acts to turn sunlight into energy
Leaves dropping from trees, animals losing antlers
The driving force behind evolution and is measured by a species viability and fecundity
Used as a food store, insulation and for shock absorption.
Also, fertile, as in soil
Remnants of an organism embedded geologically. Leaves observed in rock faces are fossils
The human genome contains 100,000 genes.
Gives blood its red colour.
Vinegar catalyst. Yeast cells and bacteria added to wine or cider to produce vinegar
Images are focused in front of the retina rather than on it
Pearls are formed in oysters when nacre forms around a foreign object in the shell
Light is used as an energy source.
With specific biological functionsspecially the growth, regeneration and repair of cells.
True of only three percent off all species, namely, fish, reptiles, amphibians, birds and mammals
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