Biology: Characteristics of Animals

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Questions and Answers

What is the term for a grouping of animals that share a common ancestor?

  • Clade (correct)
  • Order
  • Phylum
  • Class

What type of symmetry do starfish exhibit?

  • Spherical
  • Tri-lateral
  • Radial (correct)
  • Bilateral

What is the domain of the taxonomy of an elephant?

  • Chordata
  • Mammalia
  • Eukarya (correct)
  • Animalia

What is the name of the period in which complex, multicellular organisms first appeared on Earth?

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

What is the term for the process by which animals actively hunt and capture their prey?

<p>Active predation (C)</p> Signup and view all the answers

What is the name of the fossil discovered by Tina Negus?

<p>Charnia masoni (C)</p> Signup and view all the answers

What is the term for the pattern of body organization in which there is a head end and a tail end?

<p>Bilateral symmetry (C)</p> Signup and view all the answers

What is the phylum that includes sponges?

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

What is the name of the event that released nutrients into the water, paving the way for the evolution of multicellular life?

<p>Snowball Earth (C)</p> Signup and view all the answers

What is the term for the diagram that represents the evolutionary relationships between animal groups?

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

What is the primary characteristic of epithelial cells in bilaterians?

<p>They can be developed into other tissues (C)</p> Signup and view all the answers

What is the function of adhesion junctions in animals?

<p>To join tissues together (C)</p> Signup and view all the answers

What is the primary advantage of radial symmetry in marine animals?

<p>It enables feeding from multiple angles (D)</p> Signup and view all the answers

What is the term for the line that runs straight down the middle of an animal with bilateral symmetry?

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

What is the characteristic of sponges in terms of body symmetry?

<p>They have no symmetry (B)</p> Signup and view all the answers

What is the primary way that animals are grouped?

<p>By their body symmetry (B)</p> Signup and view all the answers

What is the term for the process by which animals take in food from outside their bodies?

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

What type of molecule is collagen?

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

What is the term for the study of the physical features of an organism?

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

What is the term for the plane that runs down the middle of an animal with bilateral symmetry, perpendicular to the sagital plane?

<p>Transverse plane (C)</p> Signup and view all the answers

What is the characteristic that distinguishes Bilateral animals from Radial animals?

<p>Presence of a head (B)</p> Signup and view all the answers

What is the term for the grouping of animals that share a common ancestor?

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

What is the period in which complex, multicellular organisms first appeared on Earth?

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

What is the name of the event that released nutrients into the water, paving the way for the evolution of multicellular life?

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

What is the symmetry exhibited by starfish?

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

What is the term for the diagram that represents the evolutionary relationships between animal groups?

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

What is the phylum that includes sponges?

<p>Porifera (C)</p> Signup and view all the answers

What is the characteristic of epithelial cells in bilaterians?

<p>Layers of skin (C)</p> Signup and view all the answers

What is the name of the fossil discovered by Tina Negus?

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

What is the domain of the taxonomy of an elephant?

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

What is a characteristic that defines animals?

<p>Being composed of multiple cells (C)</p> Signup and view all the answers

What is unique about collagen in animals?

<p>It is only found in animals (C)</p> Signup and view all the answers

What is the term for the way that cells are joined together in animals?

<p>Adhesion (C)</p> Signup and view all the answers

What is the type of symmetry exhibited by animals that have multiple lines of symmetry?

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

What is the term for the plane that runs from head to tail in an animal with bilateral symmetry?

<p>Sagital plane (C)</p> Signup and view all the answers

Why is radial symmetry beneficial for marine animals?

<p>It allows them to float in the water (C)</p> Signup and view all the answers

What is the characteristic of epithelial cells in bilaterians?

<p>They can develop into other tissues (A)</p> Signup and view all the answers

What is the primary way that animals are grouped?

<p>By their molecular relationships (C)</p> Signup and view all the answers

What is the term for the line that runs straight down the middle of an animal with bilateral symmetry?

<p>Midline (C)</p> Signup and view all the answers

What is the characteristic of animals that do not have any symmetry?

<p>They have no symmetry (A)</p> Signup and view all the answers

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