Ecology Study Guide (ch. 13-16) - Willard Biology

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Ecology Study Guide (ch. 13-16)

Definitions:

1.

Ecology

2.

Population

3.

Community

4.

Ecosystem

5.

Biome

6.

Biotic

7.

Abiotic

8.

Biodiversity

9.

Biogeochemical cycles

10.

Nitrogen fixation

11.

Carrying capacity

12.

Energy pyramid

13.

Habitat

14.

Niche

15.

Keystone species

16.

Symbiosis (all 3)

17.

Predation

18.

Competition

19.

Succession (1 o and 2 o )

20.

Pioneer species

21.

Climax community

22.

Trophic level

23.

Food web

24.

Producer/autotroph

25.

Consumer /heterotroph

26.

Decomposer

27.

Detritivore

28.

Chemotroph

29.

Particulates

30.

Smog

31.

Greenhouse effect

32.

Habitat fragmentation

33.

Introduced species

34.

Umbrella species

35.

Sustainable development

36.

Ecological footprint

37.

Renewable and nonrenewable resources

38.

Biomagnification

Basic Ecology (13.1, 13.2, part of 14.1, 15.3, part of 16.1)

1.

Know the components and order of the levels within the biosphere.

2.

Differentiate between habitat and niche; be able to give examples of each.

3.

Be able to explain ecosystems and their biotic/abiotic factors.

4.

Understand each of the biomes learned in class, and what two things make up a climate.

5.

Be able to explain how a keystone species may affect an environment.

6.

Know the reasons why populations could increase/decrease.

7.

What do we know about earth’s carrying capacity?

Energy and the Ecosystem (13.3, 13.4, 13.5)

1.

Know the basic components of an ecosystem.

2.

Be able to explain the role of producers, consumers, and decomposers.

3.

Be able to read a food chain diagram and identify the type of consumer and trophic levels if given a picture similar to the one below.

4.

Be able to calculate energy as you move up trophic levels (*remember only 10% moves up each level).

5.

Know the basic stages of the water, carbon, oxygen, nitrogen, and phosphorus cycles.

Community Interactions (part of 14.1, 14.2)

1.

Be able to explain predation and competition.

2.

Be able to explain the various forms of symbiosis (mutualism, commensalism, parasitism).

3.

Be able to explain how the competitive exclusion principal plays a role competition.

Succession (14.5)

1.

Be able to explain the process of primary and secondary succession. What are the differences?

Which takes place at a faster rate?

2.

Be able to identify organisms that are characteristic of each stage of succession.

Environmental Issues (16.2- 16.5)

1.

Give examples of renewable and nonrenewable resources. What is the importance of resource management?

2.

Be able to explain the causes, effects, and solutions to:

Air Quality o Air pollution, smog, acid rain, green house effect

Water Quality o Water pollution o Understand biomagnification, the accumulation of toxins, and how they travel up the food chain/trophic levels. Do fat soluble pollutants get stored in an organisms body?

Threats to biodiversity o Non-native species- how do they distrupt the ecosystem? o Assess the consequences of the loss of biodiversity

3.

Explain how an umbrella species can protect an entire ecosystem

4.

Define sustainable development and describe some of its methods.

12B Ecosystems

In:

Explain what adaptations animals in the ecosystem to the right must have in order to survive:



______________________________________________________________

______________________________________________________________

______________________________________________________________

______________________________________________________________

______________________________________________________________

Variations and

Adaptations of Organisms

Abiotic Factors of a Desert:

Desert Adaptations

Plant Adaptations: Animal Adaptations:

Abiotic Factors of a Tundra:

Tundra Adaptations

Plant Adaptations: Animal Adaptations:

Abiotic Factors of a Rainforest:

Rainforest Adaptations

Plant Adaptations: Animal Adaptations:

OUT

: Compare how plant and animal adaptations in a hot/dry environment to a cold environment:

Flow of Matter

& Energy

Food Web Simulation:

What happens when one organism is taken out of the food chain? How does it affect others?

________________________________________________

________________________________________________

________________________________________________

________________________________________________

________________________________________________

________________________________________________

Description:

Producer/Autotroph

Picture:

Food Chains & Food

Webs

Label each trophic level with the correct identifier: decomposer, primary consumer, secondary consumer, producer, herbivore, carnivore, fungi, main energy source, plant, autotroph, heterotroph

__________________________

__________________________

________________

________________

__________________________

________________

________________

__________________________

________________

________________

__________________________

________________

Description:

Consumer/Heterotroph

Picture:

Biological Magnification

Description: Picture:

Description:

Decomposer

Picture:

Describe what would be the affect on the rest of the food chain above if a drought occurred and drastically reduced the number of producers.

Description:

Trophic Levels

Picture:

Flow of Matter

& Energy

Describe what happens to most of the energy an organism consumes:

________________________________________________

________________________________________________

________________________________________________

________________________________________________

________________________________________________

Description:

Pyramid of Energy

Pyramids of Ecology

Energy Flow:

Description:

Pyramid of Biomass

10% Energy Rule

Explain in your own words the 10% energy rule in an ecosystem:

Description:

Pyramid of Numbers

Explain why are there fewer top-level predators in a food chain or food web:

Relationships

Interpreting

In:

What type of relationship exists between the two animals in the cartoon?

Explain your answer.



_____________________________

_____________________________

_____________________________

_____________________________

_____________________________

_____________________________

_____________________________

Description:

Mutualism

Picture:

Description:

Commensalism

Picture:

Description:

Parasitism

Picture:

Description:

Predator/Prey

Picture

Symbiosis

Habitat

Description: Description:

:

Niche

Label each with the :

Tickbird live on rhinos & eat ticks.

Ticks get food, rhino free of ticks.

________________________________

Mosquito feeds off human. Human is hurt.

________________________________

Sea anemone protects the clownfish from predatory fish.

________________________________

Description:

Competition

Picture:

Interpret the predator/prey relationship in the graph below:

Population

Growth

IN Activity: Make a list of limited resources found in an environment.

________________________________________________

________________________________________________

________________________________________________

________________________________________________

________________________________________________

Graphs!

Exponential Growth: occurs when individuals in a population reproduce at a

________________ rate. (J – Shaped)

Can populations grow exponentially forever? Yes or No

Logistic Growth: occurs when a population’s growth ___________ or stops following a period of exponential growth (S – Shaped)

Population Growth Graph

Describe the graph. What happens to the deer population over time?

Populations in

Ecosystems

Carrying Capacity

When the _______ number of organisms an ecosystem can sustain, it is called the

______________________.

Carrying Capacity happens because in an ecosystem, there are _______________ factors (habitat, shelter, territory, food, water)

Affected By:

Growth Rate

What causes the growth to slow?

 Birth rates _______________

 ______________ rate increases

 Both of these occur at once

 Immigration _____________

 _________________ increases

 Both of these occur at once

What is Density?

 Number of ____________________ per unit ___________

 Varies depending on species and its _____________________

Density _____?______ Factors

Density Dependent Factors: Density Independent Factors:

OUT Activity: Explain why populations reach a carrying capacity. Why can’t populations keep growing exponentially?

What limits growth?

Examples:

11D Succession

12F Change

In:

Describe an example of how natural or human disturbances can change an ecosystem.



_______________________________________________

_______________________________________________

_______________________________________________

_______________________________________________

_______________________________________________

_______________________________________________

__________________________________

Description:

Ecological Succession

Picture:

Description:

Primary Succession

Picture:

Ecological Succession &

Environmental Change

Use numbers to sequence the pictures of primary succession:

_____Pioneer species populates area.

_____Large plants grow on soil.

_____Volcanic eruption causes no soil to exist.

_____Lichens die to help form soil.

Description:

Environmental Change

Picture:

Description:

Secondary Succession

Picture:

Description:

Ecosystem Stability

Picture:

Impact on Populations & Species

Description: Picture

OUT Question:

Describe how the 2011 Texas drought caused environmental change. Explain how the drought impacted ecosystem stability.

Name: _____________________________________________

Nitrogen Cycle Diagram

(TEKS 12E)

Date: ______________________ Period: _______

DRAW A DIAGRAM of how matter moves through the nitrogen cycle.

(Label & Color the diagram.) Use p.78 for help.

DESCRIBE BELOW the steps in your diagram of how matter moves through the nitrogen cycle .

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

Name: _____________________________________________

Disruptions of the Nitrogen Cycle

(TEKS 12E)

Date: ______________________ Period: _______

DRAW DIAGRAMS of how matter moves through ecosystems when the Nitrogen Cycle is disrupted.

(Label & Color diagrams.)

A.

Draw a diagram of the CAUSE of a disruption to the nitrogen cycle. B.

Draw a diagram showing the EFFECT of a disruption to the nitrogen cycle.

EXPLAIN (DIAGRAM B) BELOW the consequences of disrupting the Nitrogen cycle .

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

4

1

Nitrogen Cycle COMIC STRIP

(TEKS 12E) Name: _____________________________________________ Period: _____

Nitrogen molecules just love to travel and spend time in different places. Create a comic strip/story board about nitroge n’s  adventures  to different places. Your comic strip must be at least 9 comic strip boxes long, but more may be used. You must draw, color, and dialogue how nitrogen cycles through the ecosystem. Use p.78 for help.

2

5

3

6

7 8 9

Name: _____________________________________________

Carbon Cycle Diagram

(TEKS 12E)

Date: ______________________ Period: _______

DRAW A DIAGRAM of how matter moves through the Carbon Cycle (Label & Color the diagram.) Use textbook p.77 for help.

A.

Draw a diagram of the carbon cycle.

DESCRIBE BELOW your diagram of how matter moves through the carbon cycle .

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

Name: _____________________________________________

Disruptions of the Carbon Cycle

(TEKS 12E)

Date: ______________________ Period: _______

DRAW DIAGRAMS of how matter moves through ecosystems when the Carbon Cycle is disrupted.

(Label & Color each diagram.)

A.

Draw a diagram of the CAUSE of a disruption to the carbon cycle. B.

Draw a diagram showing the EFFECT of a disruption to the carbon cycle.

DESCRIBE (DIAGRAM B) BELOW the consequences of disrupting the carbon cycle .

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

_____________________________________________________________________________________________________

Name: ____________________________________________ Date: ____________________ Period: ________

Chapter 16: Human Impact on Ecosystems Vocabulary

16.1 Human Population Growth and Natural Resources. Give examples for the following:

1.

Nonrenewable resources are natural resources that are used more quickly than can be formed.

Example: ________________________ and _______________________.

2.

Renewable resources are ones that cannot be used up, or can be replaced as fast as they are used.

Example of resources that cannot be used up: _______________ and ________________ ___________________.

Example of resource that can be re grown as quickly as it is used: ________________________.

3.

Ecological footprint is the amount of land necessary to produce enough food, water, shelter, and energy, and to hold the waste of an individual or population.

What is the average U.S. citizen’s ecological footprint?

________________________________________________________________________

16.2 Air quality. Match the following:

4.

_____ The addition of any undesirable material to the air, water, or soil.

5.

_____ A type of air pollution that forms from the waste products of burned gas, coal, and oil.

6.

_____ Microscopic bits of dust, metal, and unburned fuel.

This is one component of smog.

7.

_____ This is produced when pollutants in the water cycle cause the pH of rain to drop below normal.

8.

_____ Earth’s atmosphere contains gases that help to slow the loss of heat. This is known as…

9.

_____ The trend of increasing global temperatures.

a.

Global warming b.

Greenhouse effect c.

Smog d.

Acid rain e.

Pollution f.

Particulates

16.3

Water Quality. Fill in the blanks.

10. One way scientists determine the ______________ of an ____________________ is by studying particular

_______________________, which are called ____________________ ________________.

11.

Biomagnification is the ___________________ by which _____________________ move up the __________

______________.

16.4 Threats to biodiversity. Define the following:

12.

Habitat fragmentation :

13.

Introduced species :

16.5 Conservation. Define the following:

14.

Sustainable development :

15.

Umbrella species :

Name: _____________________________________________ Date: _________________ Period: _____

Ecology Review Worksheet

Place the levels of ecology organization inside the correct circles using the terms from 13.1 in the textbook.

Fill in the bubbles with the proper words from section 13.2 in the textbook.

Ecosystem includes

Such as

Such as

Fill in the chart with a description that describes how water moves through as ecosystem.

Process Description

1. Precipitation

2. Evaporation

3. Transpiration

4. Condensation

In each series, identify which word does not belong and explain why?

A) Detritivore, Producer, or Decomposer? Explain. ______________________________________________

_______________________________________________________________________________________

B) Omnivore, Autotroph, Herbivore? Explain. __________________________________________________

_______________________________________________________________________________________

C) Trophic level, Energy pyramid, Keystone species? Explain. ____________________________________

_______________________________________________________________________________________

Directions : Add at least 12 arrows to the blank food web that shows the direction energy travels in a community of species.

Using the snake as an example, create 2 complete food chains in the spaces below. Label each trophic level.

Food chain 1

Food chain 2

14.2 Vocabulary: Define the words in the boxes

Symbiotic

Mutualism

Example

Commensalism

Example

Parasitism

Example

15. Draw a cartoon for each of the following terms. a. ecological footprint: b. acid rain c. global warming d. introduced species:

Biodiversity and Habitat Fragmentation (16.4)

16.

What is biodiversity? Give at least one reason why biodiversity is important to humans.

______________________________________________________________________________________________________

______________________________________________________________________________________________________ a.

What role does habitat fragmentation play in the loss of biodiversity? What is a solution?

__________________________________________________________________________________________________

__________________________________________________________________________________________________

__________________________________________________________________________________________________

__________________________________________________________________________________________________

__________________________________________________________________________________________________ b.

What are the consequences to a loss of biodiversity?

__________________________________________________________________________________________________

__________________________________________________________________________________________________

__________________________________________________________________________________________________

__________________________________________________________________________________________________

Sustainable Development (16.5)

17.

What is sustainable development?

______________________________________________________________________________________________________

______________________________________________________________________________________________________

______________________________________________________________________________________________________ a.

List and Describe at least two sustainable development methods.

______________________________________________________________________________________________________

______________________________________________________________________________________________________

______________________________________________________________________________________________________

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Umbrella Species and Protecting Earth’s Resources (16.5)

18.

How can protecting an umbrella species protect an entire ecosystem?

______________________________________________________________________________________________________

______________________________________________________________________________________________________

______________________________________________________________________________________________________

______________________________________________________________________________________________________ a.

How are umbrella species and keystone species similar?

__________________________________________________________________________________________________

__________________________________________________________________________________________________

__________________________________________________________________________________________________

__________________________________________________________________________________________________ b.

How do governmental actions help to preserve natural habitats and protect resources?

Who implements laws that in place to protect resources and species?

__________________________________________________________________________________________________

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