Systematics and Evolutionary Relationships
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Questions and Answers

What is the capitalization rule for the genus name in a scientific name?

  • It depends on the species
  • It is always capitalized (correct)
  • It is only capitalized for Eukarya
  • It is always lowercase

Which domain of life consists of prokaryotic organisms?

  • Eukarya
  • Bacteria only
  • Archaea and Bacteria (correct)
  • Archaea only

What is the characteristic of the kingdom Plantae?

  • They are all seed-bearing
  • They are all flowering
  • They are all decomposers
  • They can be vascular or non-vascular, flowering or non-flowering, and seed-bearing or non-seed bearing (correct)

Which phylum consists of segmented worms?

<p>Annelida (B)</p> Signup and view all the answers

Which class of Arthropoda consists of insects with six legs?

<p>Insecta (A)</p> Signup and view all the answers

What is the characteristic of the kingdom Fungi?

<p>They are all decomposers (B)</p> Signup and view all the answers

What is the main focus of systematics?

<p>Understanding the evolution of life through species relationships (A)</p> Signup and view all the answers

What is the primary purpose of taxonomy?

<p>To name, describe, and classify organisms (C)</p> Signup and view all the answers

What is the term for the study of relationships among different groups of organisms and their evolutionary development?

<p>Phylogeny (B)</p> Signup and view all the answers

What are the two parts of a scientific name according to Carolus Linnaeus?

<p>Genus name and species epithet (C)</p> Signup and view all the answers

What formatting rule applies to scientific names when italics are not possible?

<p>It must be underlined (A)</p> Signup and view all the answers

Who is known as the Father of Modern Taxonomy?

<p>Carolus Linnaeus (D)</p> Signup and view all the answers

Which class of animals includes spiders and scorpions?

<p>Arachnids (A)</p> Signup and view all the answers

What is the characteristic feature of the phylum Arthropoda?

<p>Having segmented legs (C)</p> Signup and view all the answers

What is the characteristic feature of the class Mollusca?

<p>Having a shell (C)</p> Signup and view all the answers

Which class of animals includes frogs and toads?

<p>Amphibians (D)</p> Signup and view all the answers

What is the characteristic feature of the phylum Chordata?

<p>Having a backbone (D)</p> Signup and view all the answers

Study Notes

Classification of Living Organisms

  • Kingdom Animalia: Phylum Arthropoda, Class Arachnids (8 legs), Ex. Spider & Scorpion
  • Kingdom Animalia: Phylum Arthropoda, Class Myriapods, Ex. Centipedes
  • Kingdom Animalia: Phylum Mollusca, Class Cephalopods, Ex. Octopus & Squid
  • Kingdom Animalia: Phylum Mollusca, Class Gastropods (1 shell), Ex. Snails
  • Kingdom Animalia: Phylum Mollusca, Class Bivalves (2 shells), Ex. Clams
  • Kingdom Animalia: Phylum Chordata (vertebrates), Class Fishes
  • Kingdom Animalia: Phylum Chordata (vertebrates), Class Amphibians (water to land), Ex. Frogs
  • Kingdom Animalia: Phylum Chordata (vertebrates), Class Reptiles (land to water), Ex. Crocodiles
  • Kingdom Animalia: Phylum Chordata (vertebrates), Class Aves (birds)
  • Kingdom Animalia: Phylum Chordata (vertebrates), Class Mammalia

Scientific Names and Taxonomy

  • Scientific name has two parts: Genus name (capitalized) and Species epithet (not capitalized)
  • Example of a scientific name: Canis familiaris (Canis - Genus, familiaris - Species epithet)
  • Rules for writing scientific names:
    • Written in italics, or underlined if italics not possible
    • Genus name always capitalized, species epithet not capitalized

Domains and Kingdoms of Life

  • 3 Domains of Life: Archaea (Prokaryotic), Bacteria (Prokaryotic), Eukarya (Eukaryotic)
  • 6 Kingdoms of Life:
      1. Archaebacteria (Domain: Archaea), Ex. Water bears (extremophiles)
      1. Eubacteria (Domain: Bacteria), Ex. Staphylococcus aureus (bacteria that causes boils and acne)
      1. Protista (Domain: Eukarya), Ex. Amoeba & Euglena
      1. Fungi (Domain: Eukarya), Decomposers, Ex. Molds & Mushrooms
      1. Plantae (Domain: Eukarya), Vascular & Non-Vascular, Flowering & Non-Flowering, Seed-bearing & Non-Seed bearing
      1. Animalia (Domain: Eukarya), consists of 9 phyla: Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Echinodermata, Mollusca

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Description

This quiz covers the study of systematics, including fossil evidence, homologies, biogeography, and molecular clock. It explores the branch of biological science that examines the characteristics of species and their relationships through time.

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