Study Questions week 3

Assessment Cover Sheet
Term 4 2014
Student Name
Year Level
Unit Name
9C & 9F SCIENCE
ECOSYSTEMS
Task
Assessment conditions
Handout Date
Due Date
HOMEWORK SHEET 3 - Study Questions
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Students are to complete all the study questions in detail.
Answers must be hand written directly onto the answer sheet.
Students can use their class notes and research to complete the questions
Students are required to include a reference if they use an internet resource to answer a question
1. Name some micro-organisms that cause disease, and the disease each causes.
2. What does a food chain show?
3. Draw a food chain, with at least four organisms, that begins with grass.
4. What do the arrows in a food chain show?
5. What is the difference between a food chain and a food web?
6. Why are micro-organisms needed in food chains and food webs?
7.
What is the difference between nitrifying bacteria and denitrifying bacteria?
Acknowledgement of assessment responsibility
Student Signature:
I understand what I need to do for this assessment.
I understand the consequences of plagiarism/cheating and confirm this is my own work.
Knowledge and
Understanding
Clear description and
comprehensive explanation
of science knowledge.
Clear description and
explanation of science
knowledge.
Date:
Description, definition
and identification of
science knowledge.
Definition and statement
of science knowledge.
Statement of isolated
science knowledge.