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Chapter 7 Aquatic Ecosystems

***Cartoon Guide to the Environment – Chapter 4 “Communities Wet…”

Cartoon Guide to Aquatic Life Zones.pdf

 

Chapter 7 Aquatic EcosystemsChapter 7 Vocabulary

Brightstorm: Aquatic Biomes (4:47)

A biome is a type of ecosystem with similar life forms and environmental conditions. Biomes can be affected by factors like rainfall, humidity and latitude. Aquatic biomes are often classified into freshwater ecosystems (lakes, rivers and ponds), salt water ecosystems (seas, oceans and coral reefs) and wetlands (marshes and swamps).

Chapter 7 Concept Map  – will not be able to view on iPad

Chapter 7 NoteGuide

DAY 1

Section 7.1 Freshwater Ecosystems

Objectives

1. Describe the factors that determine where an organism lives in an aquatic ecosystem.

2. Describe the littoral zone and the benthic zone that make up a lake or pond.

3. Describe two environmental functions of wetlands.

4. Describe one threat against river ecosystems.

7.1 Vocabulary

wetland - areas of land that are periodically under water or whose soil contains a large amount of moisture

plankton - aquatic organisms that float or drift freely in the water, most are microscopic

nekton - all free-swimming aquatic organisms

benthos - bottom dwelling aquatic organisms

littoral zone - a shallow zone in a freshwater habitat where light reaches the bottom and nurtures plants

benthic zone - the bottom region of oceans and bodies of fresh water

eutrophication - an increase in the amount of nutrients, such as nitrates, in a marine or aquatic ecosystem

7.1 Student Textbook

7.1 mp3 (13:04)

7.1 PowerPoint  ch07_sec1 revised.ppt

7.1 Active Reading

Self-Check Quiz Section 1: Freshwater Ecosystems

DAY 2

Section 7.2 Marine Ecosystems

Objectives

1. Explain why an estuary is a very productive ecosystem.

2. Compare salt marshes and mangrove swamps.

3. Describe two threats to coral reefs.

4. Describe two threats to ocean organisms.

7.2 Vocabulary

estuary - an area where fresh water from rivers mixes with salt water from the ocean

salt marsh - a maritime habitat characterized by grasses, sedges, and other plants that have adapted to continual, periodic flooding

mangrove swamp - a tropical or subtropical marine swamp that is characterized by the abundance of low to tall trees, especially mangrove trees

barrier island - a long ridge of sand or narrow island that lies parallel to the shore

coral reef - a limestone ridge found in tropical climates and composed of coral fragments that are deposited around organic remains

7.2 Student Textbook

7.2 mp3 (14:30)

7.2 PowerPoint  ch07_sec2 revised.ppt

7.2 Active Reading

Self-Check Quiz Section 2: Marine Ecosystems

DAY 3 – study vocab & review

vocabulary w/ tarsia puzzle & flashcards  -- go over active readings

Chapter 7 Concept Review & ch 7 vocab puzzle

Chapter 7 Standard Test Prep

DAY 4

Vocab Quiz – go over concept review

DAY 5

Chapter 7 Test

 

Chapter 7 Critical Thinking

Chapter 7 Map Skills

Chapter 7 Labs

Field Activities

Inferring Water Quality     

Observation Labs

Identifying Ocean Factors

Consumer Labs

Forming an Opinion: Farm Raised Salmon

 

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