Grade 7 - Spring Semester Final - Andrea

What is the definition of a grassland?

• Biome with too much water to be a desert and not enough to be a forest.

• Biome with too little water to be a prairie and too warm to be a tundra.

• Biome with too much water to be a tundra and not warm enough to be a steppe.

• Biome with too little water to be a forest and temperatures too low to be a desert.

What is the main factor that separates the biomes?

• Land
• Water
• Climate
• Longitude

Humans have effected grasslands by…

• Illegal Hunting

• Toxic Pesticides

• City Development

What is a grassland?

• a flat, grassy biome
• a wet, snowy biome
• a hot biome with lots of trees
• a dry biome with no animals or plants

Biotic factors in an ecosystem include...

• people & animals

• water resources

• only members of the food chain

• plants, animals, and other organisms

Biomes are...

• large sections of land, sea, or atmosphere

• ecosystems that have been destroyed

• protected natural reserves

The buildup of sediment, soil, and rocks onto a landform

Which of the following examples are of behavioral adaptations?

• Migration

• Claws

• Teeth

• Eyes

The tundra is a vast plain with frigid temperatures and plenty of snow. Which of the following adaptations does not help the polar bear survive in the tundra.

• Layers of fat for insulation

• webbed toes for swimming

• white fur for camouflage

• total herbivorous diet

Chameleons are reptiles that have the ability to hide from predators and prey by blending in with their environment. They can change the pattern and/or color of their skin. This ability is known as --

• natural selection

• imitations

• mimicry

• camouflage