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Pearson Biology Chapter 26 (2024) Newest Questions and Answers (Verified Answers)
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Pearson Biology Chapter 26 (2024) Newest Questions and Answers (Verified Answers)
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Pearson Biology Chapter 26.pdf file:///C:/Users/HP/Desktop/New%20folder%20(4)/Pearson%20BioPearson Biology Chapter 26 Questions &
Answers
1. When did animals evolve?
Answer 700 million years ago
2. What is a prokaryote? Give an example.
Answer single-celled organisms that do not have membrane-bound organelles –
bacteria
3. When did the first prokaryotes evolve?
Answer 3 billion years ago
4. How old is the Earth estimated to be?
Answer 4.6 billion years old
5. When was the Cambrian period
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,Pearson Biology Chapter 26.pdf file:///C:/Users/HP/Desktop/New%20folder%20(4)/Pearson%20Bio
Answer 565 to 544 million years ago
6. What are trace fossils?
Answer Indirect evidence such as footprints, fossilized feces, burrows, etc.
7. What are appendages?
Answer structures like claws, legs, antennae that grow from the body
8. What was the first multicellular animals
Answer sponges
9. What was . the multicellular animal with with two germ layers and radial
symmetry
Answer cnidarians
10. What is a protostome?
Answer Type of coelomate whose mouth develops before the anus
11. What is a deuterostome?
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