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WorksheetsIntroduction to the Animal Kingdom
Total questions: 12
Worksheet time: 6mins
Which term refers to the study of the structure of organisms or organs?
Physiology
Zoology
Anatomy
Primatology
Which of the following is the main function of respiration in animals?
To take in O₂ and release CO₂
To produce food
To absorb water
To excrete waste
What is the main difference between sedentary and sessile animals?
Sedentary animals move a lot, sessile animals move a little
Sedentary animals move a little, sessile animals do not move at all
Sedentary animals do not move, sessile animals move a lot
Sedentary animals fly, sessile animals swim
Which statement is true about invertebrate reproduction?
All invertebrates reproduce sexually only.
Some invertebrates can reproduce asexually.
Invertebrates do not reproduce.
Invertebrates only lay eggs.
What does "radial symmetry" mean in animals?
Shaped like a wheel
Shaped like a square
Shaped like a triangle
Shaped like a line
What feature of the animal in the second image demonstrates bilateral symmetry?
It has a distinct right and left side
It has a round body
It has tentacles radiating from the center
It has no clear body plan
What is the name of the hollow ball of cells formed when the cells in the zygote divide?
Morula
Gastrula
Blastula
Embryo
Which of the following best describes a characteristic feature of organisms in the phylum Echinodermata?
They have segmented bodies
They have spikey skin
They have exoskeletons
They have jointed legs
Which of the following animals is NOT a vertebrate?
Frog
Lizard
Clownfish
Earthworm
Which phylum does the organism (a segmented worm) in the image above belong to?
Nematoda
Annelida
Arthropoda
Mollusca
Which phylum do flatworms belong to?
Phylum Arthropoda
Phylum Mollusca
Phylum Platyhelminthes
Phylum Annelida
Having a vertebrae puts you in what phylum?
Chordata
Arthropoda
Insecta
Mantodea
