Midterm Review

At what stage does this population reach it's carrying capacity on the Demographic Transition Model

• 1
• 2
• 3
• 4

Bacteria which convert nitrogen gas into bio-available forms of nitrogen, such as ammonia and nitrate, are known as _____

• De-nitrification bacteria 
• Nitrogen fixing bacteria
• Oxidizers
• Buffers

which statement sounds accurate based on the graph data. 

• The zebra and lions do not affect each other
• when lions population increases, so does the zebra population
• When the zebra population increases, it causes the lion population to also increase
• when zebra populations go down, the zebra population goes up. 

This graph shows ....

• When one population increases, the other decreases.

• When one population decreases, the other increases.

• When one population increases, the other increases instantly.

• When one population increases, it causes the other to increases shortly after.

Which of the graphs below shows logistical growth?

• 
• 
• 
• 
• 

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%
• 90%
• 10%
• 20%

320,000 kCals of energy are found at the producer level in an energy pyramid. How much energy is available for consumers in the primary consumer level? (Hint: use the Rule of 10s)

• 320,000 kCals

• 32,000 kCals

• 3,200 kCals

• 320 kCals

If these organisms were arranged in an energy pyramid, which organism would have the least amount of total energy available?

• coyote

• insect

• lizard

• shrub

Which of the following are reactants of photosynthesis?

• CO₂ and H₂O

• O₂

• H₂O and Glucose

• None of the above

Lactic acid is produced by

• yeast during cellular respiration

• yeast during anaerobic respiration

• human muscles cells during aerobic respiration exercise

• muscle cells when they receive sufficient oxygen to power physical activity

• none of thee