2/5 Warm Up

A student discovers an arachnid without a segmented abdomen, and legs longer than its body. The student uses the dichotomous key below to identify it. Which arachnid has the student found?

• Whip Scorpion

• Wind Scorpion

• Daddy long legs

• Scorpion

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.

1. a) Abdomen segmented.............go to 2

b) Abdomen not segmented ......go to 4

2. a) Abdomen with tail....................go to 3

b) Abdomen without tail...............go to 5

3. a) Tail with stinger..........................Scorpion

b) Tail without stinger.....................Whip scorpion

4. a) Legs longer than body.............Daddy Long Legs

b) Legs not longer than body……….Wind scorpion

5. a) Covered with spines .......................Mite

b) Few spines.....................................Tick

• Whip Scorpion

• Daddy Long Legs

• Mite

• Tick

To what order does a two pairs of wings, rigid and leathery and mouth for sucking belong to?

• Diptera

• Lepidoptera

• Heteroptera

• Coleoptera

Which leaf is shown in the drawing?

• Magnolia

• Redbud

• Sweetgum

• None of the above

Which shark is the picture of?

• Cow Shark

• Great White Shark

• Hammerhead Shark

• Saw Shark

Which best describes an adaptation?

• A trait that helps an organism to survive in its environment.
• A trait that the organism can change when he wants.
• A trait that does not help the organism to survive in its environment.
• The place where an organism lives.

Which of the following variations would help members of a rabbit population survive if the climate turned very hot?

• Thinner fur
• Ability to run faster
• Ability to jump higher
• Ability to eat more

Animals are born with their adaptations due to genes.

• True
• False

Animals are able to pick and choose their adaptations.

• True
• False