General Features of Animals Quiz

Which of the following is a general feature of animals?

• Heterotrophic

• Autotrophic

• Photosynthetic

• Unicellular

Which of the following is a reason why animals do not have cell walls?

• To allow for greater flexibility and movement

• To store more energy

• To perform photosynthesis

• To absorb more water

Which group of animals does NOT have cells specialized into tissues?

• All animals

• Only one group

• Mammals

• Birds

What is the name of the monophyletic clade that includes all animals?

• Metazoa

• Plantae

• Fungi

• Protista

If an animal has symmetry and tissues, to which clade does it belong?

• Parazoa

• Eumetazoa

• Protozoa

• Plantae

Which of the following statements is true about Eumetazoa?

• They have no germ layers

• They have germ layers during embryonic development

• They are only found in plants

• They are unicellular organisms

Which evolutionary innovation would most likely be absent in a simple, non-segmented animal?

• Tissues

• Symmetry

• Segmentation

• Body cavity

What is the main difference between sponges and Eumetazoa regarding symmetry?

• Sponges lack symmetry, Eumetazoa have defined symmetry

• Both have radial symmetry

• Both lack symmetry

• Sponges have bilateral symmetry, Eumetazoa have no symmetry

Which statement best summarizes the main idea of the material?

• All animals have the same number of germ layers

• The organization of body cavities and germ layers is crucial for the development of organ systems in animals

• Only vertebrates have body cavities

• Diploblastic animals are more complex than triploblastic animals

Which of the following body plans is characterized by having no body cavity?

• Acoelomates

• Pseudocoelomates

• Coelomates

• Hemocoelomates