Enviro MP4 Exam Review

What type of relationship is this?

• parasitism

• mutualism

• commensalism

• competition

symbiotic relationship in which both organisms benefit

• competition

• mutualism

• predation

• commensalism

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. 

symbiotic relationship in which one organisms benefits and the other organism is not affected

• competition

• mutualism

• parasitism

• commensalism

Organisms that breaks down and absorbs nutrients from dead organisms 

• consumer
• trophic level
• decomposer
• species

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

The snake is a predator to what prey in this food chain?

• frog
• grass
• grasshopper
• hawk

Which are decomposers?

• humans
• trees
• red wolves
• worms

What has a higher biodiversity: a rain forest or a desert?

• Rain forest

• Desert

• They have a similar biodiversity

Why is biodiversity in an ecosystem so important?

• Because it can help humans where to determine good places to develop farm land.

• Because places that have a healthy biodiversity are unaffected by major disturbances.

• Because having a high biodiversity allows ecosystems to withstand major changes.

• Because having a high biodiversity allows for fewer opportunities of competition for similar resources.