Unit 1 Test Prep

Choose all the reasons why biodiversity is beneficial to humans and the ecosystem (4).

• Limits damage from coastal flooding

• Provides resources like lumber and medicine

• Decreases survival after an environmental stressor

• Decreases pollution

• Creates natural pest control and pollinators

Choose the correct answer for how humans negatively impact biodiversity.

• Logging

• Farming & land development

• Pollution

• Illegal hunting & collecting

• All of the above

What would happen in this ecosystem if the fox went extinct? Choose 2.

• Mouse population would increase

• Grasshopper population would decrease

• Shrew populations would decrease

• No impact

Music, art, and architecture born from interactions with nature are all examples of what type of ecosystem service?

• Provisioning

• Regulating

• Cultural

• Supporting

Fruits, fish, and livestock are all examples of what type of ecosystem service?

• Economic

• Provisioning

• Regulating

• Cultural

Why is the sun's energy necessary for the water cycle?

• it is the heat source that turns water into vapor

• it is the light source that turns water into vapor

• it is the source that turns vapor into water droplets

How nitrogen is "fixed" into usable form for plants

• through respiration

• through eating

• through action of bacteria

• through photosynthesis

Photosynthesis in the Fiddle Leaf Fig:

• glucose + oxygen --> carbon dioxide + water

• carbon dioxide + water ---> glucose + oxygen

• oxygen + water ---> glucose + carbon dioxide

A mouse with a short life span, produces more offspring than can survive, and gives little or no parental care is a

• R-selected species

• K-selected species

A pattern of survival over time in which there is a relatively constant decline in survivorship throughout most of the life span.

• Type ii survivorship

• Type i survivorship

• Type iii survivorship