KS3 Spring 2

What is the original source of almost all energy in most ecosystems?

• carbohydrates
• sunlight
• water
• carbon

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

The image provided is an example of a(n):

• Carnivore
• Herbivore
• Producer
• Autotroph

The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

The living portions of the ecosystem.

• Biotic factors
• Abiotic factors

Water temperature would be an example of ...

• A biotic factor
• An abiotic factor

A place where an organism lives.

• Terrain
• Habitat
• Community
• Population

True or False:  It is possible for a carnivore to be a producer.

• False
• True

What is the pH of water? 

• 1
• 3
• 7
• 10

Which of the following is a pH for a strong acid? 

• 1
• 6
• 7
• 13