Nzqa registered unit standard 20306 version 3




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NZQA registered unit standard

20306 version 3




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Title

Describe the biology of a species of aquatic Crustacea

Level

3

Credits

5




Purpose

People credited with this unit standard are able to: describe a selected crustacean species and its natural habitat; locate and identify anatomical features; describe the feeding, reproduction and life cycle; describe factors that impact on the growth; and describe abnormal features and/or behaviours that could indicate potential health issues for the selected crustacean species.




Classification

Seafood > Aquaculture




Available grade

Achieved


Explanatory notes
1 Crustacean species refers to any aquatic species with an exoskeleton; examples include but are not limited to, rock lobster, paddle crab, freshwater crayfish (koura), prawn.
2 Candidates must select a crustacean species and provide evidence for the same species for each outcome.
Outcomes and evidence requirements
Outcome 1
Describe a selected crustacean species and its natural habitat.
Evidence requirements
1.1 The description includes the name of the species.
Range common, scientific;

may include Māori name where appropriate.


1.2 The description includes the distinguishing features of the species in terms of appearance.
Range includes but is not limited to – colour, size, shape.
1.3 The description includes the habitat and distribution of the species in New Zealand.
Outcome 2
Locate and identify anatomical features of the selected crustacean species.
Evidence requirements
2.1 The external anatomical features are located and named.
Range carapace, reproductive organs.
2.2 The internal anatomical features are located and named.
Range gills, feeding track, gut, anal track.
Outcome 3
Describe the feeding, reproduction and life cycle of the selected crustacean species.
Evidence requirements
3.1 The description outlines the feeding method and food sources of the selected species.
3.2 The description outlines the stages of the reproductive cycle of the selected species.
Range may include but is not limited to – embryo development, triggers for spawning.
3.3 The description outlines the stages of life cycle of the selected species.
Outcome 4
Describe factors that impact on the growth of the selected crustacean species.
Range may include but is not limited to – water temperature, water quality, weather patterns, food availability, habitat, species age, stress;

evidence is required for four factors.


Evidence requirements
4.1 The description identifies factors that can affect the growth of the selected species.
4.2 The description includes the impact of each factor on the growth of the selected species.
Outcome 5
Describe abnormal features and/or behaviours that could indicate potential health issues with the selected crustacean species.
Evidence requirements
5.1 The description outlines abnormal features and/or behaviours that could indicate a potential health issue with the selected species.
Range five abnormal features and/or behaviours.
5.2 The description includes the action to take if abnormal features and/or behaviours are identified and the reasons why this action is important.
Range two reasons.



Planned review date

31 December 2014


Status information and last date for assessment for superseded versions

Process

Version

Date

Last Date for Assessment

Registration

1

24 September 2003

31 December 2012

Review

2

24 August 2006

31 December 2012

Review

3

17 June 2011

N/A




Consent and Moderation Requirements (CMR) reference

0123

This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note

Providers must be granted consent to assess against standards (accredited) by NZQA, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.


Industry Training Organisations must be granted consent to assess against standards by NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and which are assessing against unit standards must engage with the moderation system that applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies to this standard are outlined in the Consent and Moderation Requirements (CMRs). The CMR also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.
Comments on this unit standard
Please contact the Primary Industry Training Organisation standards@primaryito.ac.nzif you wish to suggest changes to the content of this unit standard.

Primary Industry Training Organisation

SSB Code 101558



New Zealand Qualifications Authority 2016





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