Ecosystems, Biomes, & Dichotomous Keys

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 a dichotomous key used for in science?

• To organize biomes
• Classify organisms
• Identify bacteria only
• None of these

Tool used by a taxonomist to identify an unknown organism is a:

• dichotomous key
• binomial nmenclature
• scientific name
• binomial key

Which leaf is shown in the drawing?

• Magnolia

• Redbud

• Sweetgum

• None of the above

What biome is this?

• rain forest

• deciduous forest

• Taiga

• tundra

What biome is this?

• deciduous forest

• taiga

• desert

• grassland

What biome is this?

• Deciduous forest

• Rain forest

• Taiga

• Tundra

This biome has trees that lose their leafs in the winter, experiences four seasons, and gets enough rain to support the growth of trees.

• Rain forest

• Taiga

• Grassland

• Deciduous forest