Chicken embryos express both hoxc6 and hoxc8 in regions where ribs form, but only hoxc6 in regions where forelimbs form. the fossilized jawbone of a new species of animal was found, and enough dna was extracted to discover that it had both hoxc8 and hoxc6 genes. which of the following is true of this new species?
a) it definitely has forelimbs.
b) it definitely does not have forelimbs.
c) can't tell without knowing the gene expression pattern.
d) can't tell because chicken genes tell us nothing about other species.

relative dating involves things like higher layers are most recent than rocks lower in the sequence. this can be extended to the known sequence of fossils. rocks containing rabbit fossils are later than those containing dinosaur fossils.  

absolute dating methods mainly use radioactive elements that have known rates of decay and produce recognizable products. for example potassium 40 decays to produce argon. once a rock has solidified the argon is trapped. by measuring the argon and potassium0 you can get an accurate number for the age.  

some other methods are good for archaeological ages. dendrochronology involves recognizing the sequence of tree rings. the orientation of magnetized particles in baked clay can be used to date a fire.

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on the planet jupiter, the acceleration due to gravity is approximately 26 m s2 , roughly 2.7 times the acceleration due

i got you i did it ya know what it is just needing to fill this in for a quick task!