That actual question is, In the early stages of development, the embryos of dogs, pigs, and humans resemble one another. This observation suggest that these animals may have...
A.) a similar number of chromosomes.
B.) similar habitat requirements.
C.) the same blood components.
D.) a common ancestry.
In the early stages of development, the embryos of dogs, pigs, & humans resemble one another. Why?
- Posted:
- 3+ months ago by maryelleenn
- Topics:
- dog, human, evolution, pig, stage, science, observation, development, question, biology, help, humans
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Answers (4)
Animals and humans develop from a single fertilized egg. Inside the embryo, cells multiply and eventually specialize, taking on different shapes and functions to form distinct parts of the body. Evolution cannot explain how each cell “knows” what to become and where it should move within the organism.
• Scientists now realize that for one kind of animal to develop into another kind of
animal would require that changes take place within the cell, at the molecular level.
. According to one reference, how simpler cells could develop into more complex cells is “often rated the second major evolutionary mystery, after the origin of life
. While many insist that an evolutionary origin of life is an indisputable fact, others are not satisfied with the answers that evolution provides regarding how life began and how life developed.
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