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kvv77 [185]
3 years ago
12

During which period did mammals first appear?

Biology
2 answers:
Anit [1.1K]3 years ago
7 0

Answer:

The correct answer is - d. Jurassic.

Explanation:

algol [13]3 years ago
3 0

Answer:

the Triassic Period

Explanation:

hope it helps

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The fossil evidence found in these sedimentary layers BEST implies that A) invertebrates evolved into vertebrates. B) animals ev
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The diagram is missing in the question. It can be found in the following link: <em>https://quizizz.com › admin › quiz › 566b055c5cbcd49e2dd0fed1 › earth.</em>

The fossil evidence found in these sedimentary layers best implies that animals evolved bony skeletons after shells

Explanation:

Fossil is not only describing when organism lived, but it also gives information about the “progression and evolution of life” on this earth over millions of years. Fossils also give information that previous life in earth is different from present life.

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Why might a phylogeny based only on molecular data show a different pattern of relationships than a phylogeny of the same taxa b
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The molecular data may be based on the analysis of introns, which aren't expressed and don't contribute to the evolutionary history of a group of taxa.

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