Biology, 13.10.2019 16:10 mariahv105
Thylacosmilus is a marsupial, and smilodon is a mammal. thylacosmilus and smilodon both have saber teeth, but they do not share an ancestor that had saber teeth. what are saber teeth for these organisms?
analogous structures
homologous structures
vestigial structures
mutated structures
Answers: 1
Biology, 21.06.2019 20:50, wdgyvwyv8840
Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection
Answers: 1
Biology, 22.06.2019 01:30, isabellajmoody
Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.
Answers: 2
Biology, 22.06.2019 03:40, lashaunahard
20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.
Answers: 1
Thylacosmilus is a marsupial, and smilodon is a mammal. thylacosmilus and smilodon both have saber t...
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