13 – To Identify Organisms in an Ecosystem (LC 2027) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does identifying organisms in an ecosystem mean?
What does identifying organisms in an ecosystem mean?
Working out what species live there
Which method is described as the most reliable for identifying organisms?
Which method is described as the most reliable for identifying organisms?
Expert consultation
What is an identification key?
What is an identification key?
A tool using questions to ID organisms
What does the term 'dichotomous' mean?
What does the term 'dichotomous' mean?
Divided into two parts
How many possible answers does each question have in a dichotomous key?
How many possible answers does each question have in a dichotomous key?
Two
How many legs do insects have?
How many legs do insects have?
6 legs
How many legs do arachnids such as spiders have?
How many legs do arachnids such as spiders have?
8 legs
How can you distinguish a centipede from a millipede?
How can you distinguish a centipede from a millipede?
Centipedes have 1 pair of legs per segment
What do millipedes feed on?
What do millipedes feed on?
Decaying matter
If an arthropod has 8 legs and no wings, what is it likely to be?
If an arthropod has 8 legs and no wings, what is it likely to be?
An arachnid
Why is leg counting described as crucial in organism identification?
Why is leg counting described as crucial in organism identification?
It distinguishes major arthropod groups
Why is organism identification important for conservation?
Why is organism identification important for conservation?
Helps identify indicator species