The Anatomy and Physiology of Animals/Classification Worksheet/Worksheet Answers

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1. Correct the way these scientific names are written.

  • Felis catus or Felis cattus (domestic cat)
  • Mus musculus or Mus musculus (mouse)
  • Rattus norvegicus or Rattus norvegicus (brown rat)
  • Canis familiaris or Canis familiaris (domestic dog)
  • Gallus gallus or Gallus gallus (chicken)
  • Echinococcus granulosus, Linnaeus, 1758 or Echinococcus granulosus, Linnaeus, 1758 (hydatid tapeworm). Correct already
  • Rana temporalis or Rana temporalis (frog)

2. The rules for writing scientific names are:

  • There are always two parts to the name
  • The name is in Latin
  • The first part of the name has a capital first letter
  • The second part of the name is all lower case
  • The name is written in italics or underlined

3. Place these organisms in one of the five Kingdoms. (ie Plant (P), Animal (A), Fungus (F), Bacterium (B), Single celled organisms (S)).

  • Mushroom F
  • Octopus A
  • Mycobacterium bovis (TB bacterium) B
  • Pine tree P
  • Plasmodium vivax (malaria parasite) S
  • Flea A
  • Seaweed P
  • Elephant A
  • Toenail - not a living organism

4. Which of these belong in the Animal Kingdom?

  • Carnivorous plant - No it is a plant
  • Killer whale - Yes
  • Jellyfish - Yes
  • Tapeworm - Yes
  • Ringworm – No, it is a fungus
  • Earthworm Yes
  • Frog - Yes

5. Place the following Vertebrates in the right Class (i.e. Fish (F), Amphibian (A), Reptile (R), Bird (B) or Mammal (M))

  • Toad A
  • Hammerhead shark F
  • Opossum M
  • Rattle snake R
  • Emu B
  • Tortoise R
  • Ferret M
  • Platypus M
  • Tree frog A
  • Flounder F

6. Fill in the blanks in the table below.

HABITAT Water Water/land Land Land and water Air
RESPIRATION Gills Gills & lungs Lungs Lungs Lungs
LIMBS Fins Weak legs Legs Legs Wings
SKIN Porous, wet Porous Waterproof, dry Waterproof with hair Waterproof with feathers

thin shelled eggs

In water, thin shelled eggs On land,

thicker shelled,

waterproof eggs

Internal gestation

in uterus

Thicker shelled,

waterproof eggs,

on land

FERTILISATION External External Internal Internal Internal


Cold blooded


Cold blooded


Warm blooded


Warm blooded


7. Mammals are divided into 3 groups, the Monotremes (Mono), Marsupials (Mar) and Mammals proper (MP). Place the following into one of these groups.

  • Mouse MP
  • Pouched mouse Mar
  • Duck billed platypus Mono
  • Guinea pig Mp
  • Wombat Mar
  • Aardvark MP
  • Koala Mar
  • Opossum Mar
  • Ant eater MP
  • Wolf MP
  • Tasman wolf Mar

8. Place these Mammals in the correct Order (i.e. Rodent (R), Carnivore(Car), Artiodactyla (A), Perissodactyla (P), Cetacea (Cet), Primates (P))

  • Rat R
  • Wolf Car
  • Goat A
  • Killer whale Cet
  • Donkey P
  • Bear Car
  • Camel A
  • Spider monkey P
  • Cow A
  • Guinea pig R
  • Zebra P
  • Leopard Car

9. Place the following categories used in the classification of animals in the correct order i.e. From largest group to smallest.

Kingdom, Phylum. Class, Order, Family, Genus, Species,

10. Two animals belong to the same species if they can mate and produce fertile offspring.