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.

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

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