Answer:
*Black means has Polydactyly, white means does not. The life expectancy for people with polydactyly is the same as a normal person without the disorder. If the extra finger or toe is removed, then most children will have full range of motion with their other fingers and toes.
Explanation:
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Answer:
A. Species that remained after the extinction were able to radiate, new adaptations arose, and these adaptations produced the diversity seen today.
Explanation:
When species went extinct they also left niches that could be occupied by "new" species; new places to live, places to be filled in the food web and different relationships to be formed. The wide availability of resources made organisms to radiate leading to a "new" diversity of shapes, sizes, and lifestyles.
B. Species that have gone extinct were able to re-evolve from the ancestors that survived the extinction. If you are extinct you are gone forever.
C. Species that remained after the extinction were unable to speciate. Therefore, the number of species on Earth today is lower than the number of species present just before either extinction. The fossil record proves that species have changed over time and the diversity has changed over the history of Earth.
D. Species that remained after the extinction represented all of the lineages that were present before the extinction event. Therefore, extinction did not change the diversity of lineages. Again, the fossil record is evidence that lineages have changed over the history of the Earth.
According to Charles Darwin's theory of natural selection, only those individual are able to survive that adapt better to the changing environment and are able to reproduce. Whereas according to Lamarck, the characters that an individual gains during its lifetime are passed on to its further generations.
Natural selection is the phenomenon that states that only those individuals area able to survive in the environment that adapt better to the changing surroundings and are successfully able to reproduce. The theory was out forward by Charles Darwin.
Characters are the traits that may be phenotypically visible or present at the genetic level. These characters define an individual.
To know more about natural selection, here
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