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Exam (elaborations)

BIO105 Test Questions & 100% Correct Answers 2024/25 Version

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  • BIO105
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  • BIO105

Which of the following phyla is the most diverse and numerous? - arthropods Which phylum is most closely related to the arthropods? - roundworms Most chordates are - vertebrates the echinoderms are most closely related to the - chardates all vertebrates have - a skull and backbone

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  • August 29, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO105
  • BIO105
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KenAli
BIO105 Test Questions & 100% Correct
Answers 2024/25 Version
Which of the following phyla is the most diverse and numerous? - ✔✔arthropods



Which phylum is most closely related to the arthropods? - ✔✔roundworms



Most chordates are - ✔✔vertebrates



the echinoderms are most closely related to the - ✔✔chardates



all vertebrates have - ✔✔a skull and backbone



which chordate trait evolved first? - ✔✔skull and bakcbone



Compared to mammals and reptiles, what characteristics prevents amphibians from surviving far from
water? - ✔✔their eggs do not have an amnion which prevents them from drying out



how do bony fish regulate buoyancy? - ✔✔with an air-filled swim bladder



which group of fishes evolved first? - ✔✔jawless fish



what characterizes terrestrial tetrapods? - ✔✔lives on land, has four limbs



what is the main difference between amphibians and reptiles? - ✔✔amphibians are tied to water
for reproduction, while reptiles have amniotic eggs that can survive on dry land



all mammals - ✔✔have mammary glands

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