PRAXIS II BIOLOGY DIVERSITY OF LIFE AND ORGANISMAL BIOLOGY EXAM QUESTIONS AND ANSWERS | GRADED A

PRAXIS II BIOLOGY: DIVERSITY OF
LIFE AND ORGANISMAL BIOLOGY
EXAM QUESTIONS AND ANSWERS



Prokaryote Cells - Correct Answers -Only have cell membrane, ribosomes and
cytoplasm
Hereditary material exists in single loop of DNA in nuclear region 'nucleoid'
Reproduce asexually through binary fission
Categorized by their shape: cocci (round), bacilli (rod shaped), spirochetes (rigid
spirals), and spirilla ( flexible spirals)
Ex: Bacteria and Archaea

Eukaryote Cells - Correct Answers -Have cell membrane, nucleus, organelles, and
cytoplasm
Platyhelminthes - Correct Answers -Flatworms
Invertebrate
Reproduce sexually/asexually
Bilateral symmetry
No circulatory system
Cephalization (one end of the body acts as the head)
Exothermic

Annelida - Correct Answers -Segmented worms
Invertebrate
Reproduce sexually
Bilateral symmetry
Closed circulatory system
Cephalization
Coelomate (true body cavity)
Exothermic

Characteristics of Living Things - Correct Answers -Feeding, movement, breathing,
excretion, growth, sensitivity, and reproduction

Taxonomy Levels - Correct Answers -Kingdom > Phylum > Class > Order > Family >
Genus > Species

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