All answers are correct. Each of the options provided supports the theory that different living things evolved from a common ancestor.

a) Homologous structures: These are similar structures that occur in different species, suggesting they share a common ancestor. For example, the human arm and the wing of a bird have similar bone structures, indicating a common evolutionary origin.

b) Similarities in DNA: All living organisms use the same basic molecular building blocks, which suggests a common ancestor. Moreover, the more closely related species are, the more similar their DNA sequences.

c) Similarities in embryos: Many different species show similar embryonic development, indicating that they share a common ancestor. This is known as embryological similarity.

d) Fossil record: The fossil record shows a progression of organisms from simple to complex, supporting the idea of common descent. Fossils also often show transitional forms between different groups of organisms.

So, e) all answers are correct.

Question

All answers are correct. Each of the options provided supports the theory that different living things evolved from a common ancestor.

a) Homologous structures: These are similar structures that occur in different species, suggesting they share a common ancestor. For example, the human arm and the wing of a bird have similar bone structures, indicating a common evolutionary origin.

b) Similarities in DNA: All living organisms use the same basic molecular building blocks, which suggests a common ancestor. Moreover, the more closely related species are, the more similar their DNA sequences.

c) Similarities in embryos: Many different species show similar embryonic development, indicating that they share a common ancestor. This is known as embryological similarity.

d) Fossil record: The fossil record shows a progression of organisms from simple to complex, supporting the idea of common descent. Fossils also often show transitional forms between different groups of organisms.

So, e) all answers are correct.

Knowee AI · Accepted Answer

All answers are correct. Each of the options provided supports the theory that different living things evolved from a common ancestor.

a) Homologous structures: These are similar structures that occur in different species, suggesting they share a common ancestor. For example, the human arm and the wing of a bird have similar bone structures, indicating a common evolutionary origin.

b) Similarities in DNA: All living organisms use the same basic molecular building blocks, which suggests a common ancestor. Moreover, the more closely related species are, the more similar their DNA sequences.

c) Similarities in embryos: Many different species show similar embryonic development, indicating that they share a common ancestor. This is known as embryological similarity.

d) Fossil record: The fossil record shows a progression of organisms from simple to complex, supporting the idea of common descent. Fossils also often show transitional forms between different groups of organisms.

So, e) all answers are correct.

Which of the following support the theory that different living things evolved from a common ancestor? ahomologous structures bsimilarities in DNA csimilarities in embryos dfossil record eall answers are correct

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