dichotomous keys

An illustration and a dichotomous key are given. What is the correct classification for this organism?

• Class Insecta
• Order Amblygygi
• Order Araneae
• Order Scorpiones

A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between arachnids and insects?

• Jointed legs
• Body segments
• Presence of eyes
• Presence of antennae

A botanist discovers a new plant in the jungle. Which of the following would be useful in determining its identity with a dichotomous key?

• It was discovered in the summertime
• It is wet from a recent rain storm.
• Its leaves curl up on the edges.
• It is eaten by native jungle ants.

When using a dichotomous key to identify organisms, what do we look at?

• physical features
• weather patterns
• environment
• diet

What step do we always start with when using dichotomous keys?

• 1
• 2
• 3
• 4

What is the name of bird W?

• Certhidea
• Geospiza
• Camarhynchus
• Platyspiza

What is the name of bird Z?

• Certhidea
• Geospiza
• Camarhynchus
• Platyspiza

Using this dichotomous key, identify the name of the circled Fish, J.

• peacock flounder
• band-tail puffer
• trumpet fish
• spotted goat fish

Using this dichotomous key, identity the name of the circled fish.

• band-tail puffer
• spotted goat fish
• peacock flounder
• trumpet fish

A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?

• Coleoptera
• Heteroptera
• Diptera
• Lepidoptera