Question

Instructions: Using what you have learned in the lesson and additional research, describe how the theory of evolution is supported by fossils, comparative anatomy, comparative embryology, biogeography, and molecular biology. Then include two examples of each. Don’t forget to include references. WILL GIVE 100 POINTS

Answer 1

Answer:

Fossils are remains of dead plants and animals that have hardened and mineralized and are found in rocks.

This is the scientific belief that animals with similar structures evolved from the same ancestors.

The use of embryonic development of organisms to theorize similar ancestor or evolutionary similarities.

The field of biogeography studies where species live now and where their ancestors lived in the past. Similar environments in different parts of the planet may be inhabited by very different plants and animals.

molecular biology---In the same way, species with very similar DNA sequences share close ancestors. With advances in technology and a growing understanding of genetics, scientists have uncovered evidence of evolutionary relationships in DNA and proteins.

Explanation:

Answer 2

Evolution can be defined as the change in the features of the species over several generations the evidences related to evolution may include fossils, comparative anatomy, comparative embryology, biogeography, and molecular biology.

Fossil:

• Fossils are important for establishing relationship between past and modern day organisms.
• For example, flippers of penguin and that of human hand have been found structurally similar.
• Homology in the forelimbs of vertebrates is another example.
• Comparative anatomy including the similarity in structure of modern day humans with apes.
• Another example, similarity of appendages of human and whale.
• Embryology can be defined as the study of the development of organism into its adult form.
• For example, all vertebrate embryos, exhibiting gill slits, tails, and humans exhibit early development.
• Great ape embryos including humans having a tail during their embryonic development which is lost at the time of birth.
• Biogeography example may include the movement of tectonic plates has caused the split of pangea into subcontinents.
• The flora and fauna of northern continents has been found similar to the supercontinent Gondwana.
• Molecular biology example may include the similarity of the DNA of apes with that of modern day humans.
• The genetic codes were found to be similar in both ancestors and modern day organisms.

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