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To classify animals according to their characteristics

Module by: Siyavula Uploaders. E-mail the author

NATURAL SCIENCES

Ecosystems and the environmental balance

EDUCATOR SECTION

Memorandum

Table 1
CRITERIA 1 2 3 4
Creative layout        
Meaningful illustrations        
Completeness        

LEANER SECTION

Content

ACTIVITY: To classify animals according to their characteristics [LO 2.2]

Animals with a backbone or spinal column and an internal skeleton (endoskeleton) are placed in one group and animals without a backbone or a spinal column are placed in another group. Animals in the group with a spinal column are called vertebrates or Vertebrata. Animals in the group without a backbone or spinal column are called invertebrates or Invertebrata. The bodies of some of the Invertebrata are protected by a hard covering on the outside, e.g. the crab or the grasshopper. This hard covering is known as the external skeleton or exoskeleton.

Figure 1
Figure 1 (Animals_diagram.png)

An interesting question: fungi are not indicated as part of either the plants or the animals. Try to found out where they belong.

Assignment 4:

Study the following sketches and group the animals on the basis of the preceding diagram.

Figure 2
Figure 2 (Diere_eng.png)

Table 2
FISH __________ __________ __________ __________
__________ __________ __________ __________ __________
__________ __________ __________ __________ __________
__________ __________ __________ __________ __________
__________ __________ __________ __________ __________
__________ __________ __________ __________ __________
__________ __________ __________ __________ __________
__________ __________ __________ __________ __________
__________ __________ __________ __________ __________
__________ __________ __________ __________ __________
Table 3
CRITERIA YES/NO
Could classify animals easily ___________________________
Classified most animals correctly ___________________________
Require more exercise in classification ___________________________

(i) Criteria for sorting vertebrates

Vertebrates can be sorted on the basis of their type of body covering.

Assignment 5:

Consult the diagram once again and provide a diagrammatical representation of the various vertebrates with their specific body covering. Be creative and use illustrations as well as words.

ASSESSMENT

Learning Outcome 2:The learner will know and be able to interpret and apply scientific, technological and environmental knowledge.

Assessment Standard 2.2: We know this when the learner categorises information.

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Definition of a lens

Lenses

A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

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