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Flip to reveal answersWhy is correct identification of organisms important? Give one reason.
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All 10 Flashcards — Identification of Organisms
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Question
Why is correct identification of organisms important? Give one reason.
Answer
It makes biodiversity and population data accurate, so scientists can make correct conclusions and conservation decisions.
💡 Hint
Wrong ID = wrong data
Question
Name two visible features that can help identify a plant.
Answer
Examples include leaf shape, flower colour, number of petals, or presence of thorns.
💡 Hint
Look for obvious traits
Question
Name two visible features that can help identify an insect.
Answer
Examples include number of legs, wings, antennae, or body segments.
💡 Hint
Count and compare
Question
What is a dichotomous key (simple definition)?
Answer
A dichotomous key is an identification tool that uses a series of paired choices to identify an organism.
💡 Hint
Two choices each step
Question
What does “dichotomous” mean?
Answer
It means “two choices”. At each step you must choose between two contrasting options.
💡 Hint
Di = two
Question
How do you use a dichotomous key (in 3 simple steps)?
Answer
1 Read both choices. 2 Pick the choice that matches your organism. 3 Follow to the next step until you reach a name.
💡 Hint
Read both options
Question
Give one strength of using a dichotomous key.
Answer
It is quick and low cost, and it can be used in fieldwork without lab equipment.
💡 Hint
Simple and portable
Question
Give one limitation of using a dichotomous key.
Answer
If the organism is damaged, very young, or looks similar to other species, you may choose the wrong path and get the wrong identification.
💡 Hint
One wrong choice = wrong ID
Question
Example: Why might a dichotomous key fail for a caterpillar?
Answer
A caterpillar is an immature stage and may not have the adult features the key expects, so it can be misidentified.
💡 Hint
Young looks different
Question
Quick exam habit: What should you always do before choosing in a key?
Answer
Always read both choices carefully before deciding.
💡 Hint
Don’t rush
Read the notes
Full study notes for Identification of Organisms
Topic 2.1 hub
Species, populations
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ESS exam skills
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