Biology Quiz on Populations and Energy

What is the population of wolves at Week 5?

• 80

• 100

• 120

• 150

What might happen to the wolf population in Week 6?

• The wolf population will increase as deer recover.

• The wolf population will decrease due to fewer deer.

• The wolf population will remain the same.

• The wolf population will drop to zero.

There are 50 rabbits in a population at the start of the year. Assume that the growth rate of the population is 15% per year. One year later, how many rabbits are most likely to be in the population?

• 55

• 57.5

• 60

• 75

There are 80 deer in a population at the start of the year. Assume that the death rate of the population is 20% per year. One year later, how many deer are most likely to be in the population?

• 60

• 64

• 70

• 80

In this food chain, explain why the Sun the main source of energy in the food chain.

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From 1st trophic level (producer) to the 2nd to 4th tropic levels (consumers), discuss the energy changes from one trophic level to another.

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State the name of the physics principle used to account for this energy changes.

• Energy Dissipation

• Energy Creation

• Energy Disappearance

• Conservation of Energy

What condition do you think Patient X is suffering from? With reference to the graph, give a reason for your answer.

• diabetes

• asthma

State the nutrient that gives simple sugars as end products after digestion.

• Carbohydrates

• Proteins

• Lipids

What is the class of enzyme that helps with the digestion process?

• Lipases

• Proteases

• Carbohydrases