BIO110 Chapter 12

BIO110 Chapter 12

Lesson Breakdown

There was a ton of material in Chapter 12, so this lesson is going to "hit the highlights" make DOUBLE sure you have done your reading in addition to this lesson and lecture so you are prepared for your test this week.

Lesson Summary

- Ecology types

- Energy Flow and Chemical Cycles

- Population Dynamics

- Community Interactions

- Food Webs/Trophic Energy Pyramid

- Invasive Species

- Biodiversity

- Human Impact/Global Warming

- Solutions

Ecology Types

Chapter 12

Multiple Choice

"Eastern Grey squirrels tend to next near the bottom portion of pine or oak trees when they live in forests with the red-billed woodpecker"

What type of ecologist most likely said this?

• Organismal ecologist

• Population ecologist

• Community ecologist

• Ecosystem ecologist

Multiple Choice

"The Amazon Rainforest absorbs 7.6 billion metric tons of CO2 per year"

What type of ecologist likely said this?

• Organismal ecologist

• Population ecologist

• Community ecologist

• Ecosystem ecologist

Energy Flow and Chemical Cycles

Chapter 12

Energy is neither created nor destroyed

Notice carbon "sinks" and "sources"

Multiple Select

Which of the following are carbon "sinks"? (AKA stores carbon)

• Oceans

• Plants/trees

• Fossil fuel combustion

• Fossil Fuels (not combusted)

Multiple Choice

Which type of microorganism is most important to the nitrogen cycle?

• Protista

• Bacteria

• Virus

• Algae

Multiple Choice

What is it called when atmospheric nitrogen is turned into ammonium by soil baterias?

• Nitrogen fixation

• Assimilation

• Nitrification

• Denitrification

Biogeochemical Cycles Activity

Complete the activity in your group and submit

Population Dynamics

Chapter 12

Multiple Choice

What type of growth curve is this?

• Logical

• Exponential

• Illogical

• No growth

Multiple Select

Which of the following are density-dependent factors on population growth?

• Climate

• Disease

• Competition

• Disasters

Community Interactions

Chapter 12

Multiple Choice

Which community interaction is one which both parties benefit?

• Commensalism

• Mutualism

• Parasitism

• Predation

Food Webs/Trophic Energy Pyramid

Chapter 12

Multiple Choice

Which organism will have the least amount of energy available for sustaining and maintaining life?

• Grasshopper

• Frog

• Snake

• Hawk

Multiple Choice

If the krill are exposed to mercury, which organism will have the highest levels of mercury in its system?

• Orca

• Seal

• Shoefish

• Krill

Invasive Species

Chapter 12

Biodiversity

Chapter 12

Human Impact/Global Warming

Chapter 12

Multiple Select

What 2 things must an invasive species be?

• native

• nonnative

• helpful

• harmful

Solutions

Chapter 12

Summary/What to Study

- Ecology types

- Energy Flow and Chemical Cycles

- Population Dynamics

- Community Interactions

- Food Webs/Trophic Energy Pyramid

- Invasive Species

- Biodiversity

- Human Impact/Global Warming

- Solutions