Unit 10 Study Guide Part 1

The pH scale is a range from:

• 1-7
• 0-14
• 1-5
• 1-20

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer

A(n) _______ is a substance with a pH greater than 7.

• Base
• Acid
• Buffer
• Water

a pH of 7 is considered

• acidic

• basic

• neutral

Water is neutral so it has a pH of _______

• 1

• 6

• 7

• 14

Use the diagram answer the question.
What is a fitting description for this diagram?

• A Food Chain
• An Ecosystem
• A Food Web
• Biotic and Abiotic Factors

The snake and the frog, are all examples of which type of consumers on this food pyramid?

• decomposers
• omnivores
• carnivore
• herbivore

The deer, grasshopper, and bird are all examples of which type of consumers on this food pyramid?

• decomposers
• omnivores
• carnivore
• herbivore

Arrows in a food web represent...

• eating

• sunlight

• energy

• matter

What are groups of different populations living togther in the same place at the same time called?

• An organism
• A population
• A community
• A biosphere