Dichotomous Key & Vertebrates

What is the purpose of a dichotomous key?

• to find a common ancestor
• to show the evolution of organisms
• to show relationships between organisms
• to identify organisms

From the table, which two animals are MOST CLOSELY related

• House Cate and Red Fox
• Red Fox and Dog
• Dog and Wolf
• Wolf and Gopher

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

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

• Coleoptera
• Heteroptera
• Diptera
• Lepidoptera

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

• 1
• 2
• 3
• 4

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

• physical features
• weather patterns
• environment
• diet

Tags

NGSS.MS-LS4-2

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

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

The first part of a scientific name is an organism's _______________ and the second part is its ________________.

• species, genus
• phylum, order
• class, spices
• genus, species

Which are the 5 groups of vertebrate animals?

• Mammals, fish, amphibians and sharks
• Mammals, fish, birds, reptiles and amphibians
• Lions, tuna, eagle, crocodile and frog
• Humans, fish, birds and reptiles

What are vertebrates?

• Animals with a backbone
• Animals without a backbone