Wētā

Wētā

Pencil and paper
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Further Resources
This task is about features of weta.
Wētā are insects which are found only in New Zealand. Below are photographs of four types of wētā.

Here is a tree wētā.
 
Here are three other types of wētā.

               1. giant wētā                          2. cave wētā                      3. tusked wētā

NOTE: The photographs of the wētā are not to scale.
 
a)
Which other wētā is the tree wētā most similar to?   ____________________

Give two reasons why these two wētā are similar. 

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b)
Wētā belong to the animal group known as insects. What are two features of wētā that show they are insects?
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c)
Explain two features that all wētā have in common with each other. 
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Task administration: 
This task can be completed with pencil and paper.
Copyright: 
 
Tree weta, Photo source: C.R. Veitch, DOC.
 
Giant weta, Photo source: R. Morris, DOC
 
Cave weta, Photo source: M. Aviss, DOC 
 
Tusked weta, Photo source: E. Humphreys, DOC
Level:
4
Curriculum info: 
Science, Investigating in science, Living World
Keywords: 
evolution, classification, wētā, insects, characteristics, observation
Description of task: 
For this task students are provided with photographs of four different types of weta. Students are asked to give two features that weta have in common with each other and to give two features that show weta belong to the group insects.
Curriculum Links: 
Science capabilities
The capabilities focus is brought about by the conversations you have and the questions you ask.
 
Capability: Gather and interpret data
This resource provides opportunities to discuss when we look very carefully and notice lots of things it helps us describe how things are similar and different.
 

 
Science capabilities: 
Gather and interpret data
Making Better Sense: 
Insects
Answers/responses: 

 

Y8 (09/2001)

a)

Named giant weta and two good reasons given, e.g.,

  • short legs (unlike cave weta)
  • no tusks (unlike tusked weta)

2 correct reasons– difficult

1 correct – easy

b)

Any 2 of:

  • 6 legs
  • 3 parts to body
  • antennae

2 correct – difficult

1 correct – easy

c)

Any 2 of:

  • large heads
  • armoured like body
  • larger back legs
  • spines of back legs
  • thick/heavy looking abdomen
  • clawed feet
  • other acceptable answers

NOTE: Answers must be different to b).

2 correct – very difficult

1 correct – moderate