Warmup: 11/08/24 - Classification/Characteristics/Virus Practice Quiz

Question

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Question
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
Wind Scorpion
Wind Scorpion

Scorpion
Scorpion

Whip Scorpion
Whip Scorpion

Daddy Long Legs

Answer 1

Based on the description provided, the student has discovered an arachnid with the following characteristics:

• Segmented abdomen
• Long legs
• Tail with no stinger

By using a dichotomous key, we can evaluate these characteristics against the options given.

1. Wind Scorpion: This may also have a segmented appearance and long legs, but typically does not possess a tail.
2. Scorpion: Scorpions have a segmented abdomen, but they possess a stinger at the end of their tail, which doesn't match the student's description.
3. Whip Scorpion: This arachnid has a segmented body and long legs, but its tail typically resembles a whip and does not have a traditional stinger.
4. Daddy Long Legs: Also known as harvestmen, they have long legs and a less segmented body, often appearing more round and compact.

Given the characteristics, the most likely identification for the student’s discovery would be a Whip Scorpion, as it aligns with having a segmented abdomen and lacks a stinger.