Cladogram

By reference to the tree above, which of the following is an accurate statement of relationships?

• A green alga is more closely related to a red alga than to a moss

• A green alga is more closely related to a moss than to a red alg

• A green alga is equally related to a red alga and a moss

• A green alga is related to a red alga, but is not related to a moss

Answer explanation

The most recent common ancestor of a green alga and a moss is at node x whereas the most recent common ancestor of a red alga and a moss is at the “deeper” node, y. If you picked ‘c’ you might be reading along the tips.

Tags

NGSS.MS-LS4-2

By reference to the tree above, which of the following is an accurate statement of relationships?

• A crocodile is more closely related to a lizard than to a bird

• A crocodile is more closely related to a bird than to a lizard

• A crocodile is equally related to a lizard and a bird

• A crocodile is related to a lizard, but is not related to a bird

Answer explanation

The most recent common ancestor of a crocodile and a bird is at node x whereas the most recent common ancestor of a crocodile and a lizard is at the “deeper” node, y. If you picked ‘a’ you might be reading along the tips.

Tags

NGSS.MS-LS4-2

What characteristic do all the organisms on this cladogram share?

• Being bi-pedal & having language

• Complex brains

• Fully binocular vision

• Partial binocular vision & opposable thumbs

Tags

NGSS.MS-LS4-2

A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?

• Juniper
• Pine
• Spruce
• Fir

Which shark is the picture of?

• Cow Shark

• Great White Shark

• Hammerhead Shark

• Saw Shark

Tags

NGSS.MS-LS4-2

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

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

Tags

NGSS.MS-LS4-2

What is the name of bird W?

• Certhidea
• Geospiza
• Camarhynchus
• Platyspiza

Tags

NGSS.MS-LS4-2

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?

• Whip Scorpion
• Wind Scorpion
• Daddy long legs
• Scorpion

What is monster # 4 ?

• Alienus Fuzzicus

• Alienus Stripicus

• Alienus Quadlegicus

• Alienus Blobicus

Identify leaf F

(a)  

• Magnolia
• Cydonia
• Aesculus
• Fraxinus
• Ilex