Pile of oyster shells

Oysters Filtering the Bay

Grades 6-8

Maryland is known for its oysters in the Chesapeake Bay. Oyster gardening and farming are popular among farmers who produce oysters for restaurants and markets. Besides being delicious, oysters are extremely important species for the Chesapeake Bay. We will explore why this is the case throughout this lesson.

 

Teacher's Guide and Related Standards

Objective

Students will be able to explain the significant role oysters play in helping to preserve the health of the Chesapeake Bay.

Essential Questions

  • What threat do algal blooms pose to the Chesapeake Bay?
  • What makes oysters a keystone species of the Chesapeake Bay, and how do oysters help preserve the health of the Bay?

Maryland Farm & Harvest Clip

Thinking questions:

  • What organism do oysters thrive on in the Chesapeake Bay?
  • What is the threat algal blooms pose to the Chesapeake Bay?
  • How are algal blooms fueled?


Vocabulary


Supplemental Enrichment Activities

Engaging in Argument
from Evidence

Oyster and Algae Graph

Students will analyze and interpret the graph showing oyster and algae population numbers in the Chesapeake Bay. Students will use this graph as evidence in order to develop arguments related to the relationship between oysters and algae.

» Go to Graph

Ecosystems Dynamics, Functioning, and Resilience

Bay 101: Oysters

Students will navigate the resource information to learn why oysters are considered keystone species to the Chesapeake Bay and what caused their population to decline in recent times. Students will also learn about the current efforts that are underway to help restore oyster populations.

» Go to Website

Stability and Change

Chesapeake Bay: Oyster Restoration

Students will read an article that addresses how oyster populations keep the Chesapeake Bay stable. As a result of the efforts, it is critical for humans to continue to play a role in maintaining oyster populations in the Bay. Students should explain the details behind oyster restoration projects and the impacts and changes these projects are having on the Bay ecosystem.

» Go to Article


Career Connections

 

This learning resource is a production of Maryland Public Television/Thinkport, in partnership with the Maryland Agricultural Education Foundation.

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