B10: Classification of Living Things

Question 1

Mnemonic for Classifying Living things

Answer 1

KIDS - KINGDOM

PREFER - PHYLUM

CANDY - CLASS

OVER - ORDER

FRESH - FAMILY

GREEEN - GENUS

SALAD - SPECIES

Question 2

What are the 5 kingdoms

Answer 2

• Animals
• Plants
• Fungi
• Protoctists
• Prokaryotes

Question 3

What is the Whittaker Classification of Living things into the 5 main Kingdoms?

Answer 3

Question 4

Complete the classification system shown here

Answer 4

Question 5

Characteristics to consider when classifying Kingdom Animalia

1. presence of a spine
2. presence and type of covering: shell, exoskeleton, spines
3. presence of legs

Question 6

How to Classify Animals into diffrent groups

Answer 6

A. VERTEBRATES

1. mammals
2. reptiles
3. amphibians
4. fish
5. birds

B- INVERTEBRATES

1. Worms - soft , no cover, no legs
   
   • tapeworm - platyhelminthes
   • roundworm - nematodes
   • ringed worms - annelids
2. Cnidaria - coelenterates, soft- no cover, no legs eg Jellyfish, sea anemone, coral
3. Arthropods - exoskeleton - jointed legs
   
   • insects - fly , cockroach
   • arachnids - spider
   • crustaceans - crab, lobster
   • myriapods - millipede, centipede
4. Molluscs - shell - soft body, slimy, no legs
5. Echinoderm - hard skin + spines, no legs

Question 7

Organisms are placed into the 5 Kingdoms based these 4 features in the same order.

Answer 7

1. presence of a nucleus
2. number of cells
3. presence of cell wall
4. type of nutrition

Question 8

What are the different groups of the Invertebrate Kingdom

Answer 8

1. Worms

• Platyhelminthes(flatworms)
• Annelids (ringed worms)
• Nematodes(roundworms)

2. Cniadaria
3. Molluscs
4. Echinoderms
5. Arthropods

Question 9

Give two examples of each kind of symbiotic relationship

Answer 9

1. Commensalism:
   
   • Cow and the egret
   • Epiphytes and Trees
2. Parasitism
   
   • Tapeworms in human intestines
   • Lice
   • Ticks
   • the Dodder(love vine)
3. mutualism
   
   • Nitrogen fixing bacteria and leguminuous plants
   • Coral polyps and green Algae

Question 10

Diferences between Predator-Prey Relationship and symbiotic relationship

Answer 10

• in symbiotic relationships the 2 organisms live together and neither usually dies while in predator-prey relationships the prey and pradator dont live together and the prey is killed.