Ecology Resource Availability Populations PowerPoint Guided Notes Assessment


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This PowerPoint, guided notes and assessment will engage and challenge your students! It covers NGSS LS2.A:  Interdependent Relationships in Ecosystems: Growth of organisms and population increases are limited by access to resources. (MS-LS2-1)

What Students Do:

-Students use the engaging Google Slideshow/PowerPoint to fill in the guided notes

-Students then take a 10 questions Google Form Assessment.

This resource includes the following:

-10 slide Google Slideshow/PowerPoint

-3 pages of guided notes


-10 Question Google Form Assessment

Concepts Included:

Resource Availability in Ecosystems

Limited Resources Effect Populations and Ecosystems

Predator Prey Relationships

Interactions in Ecosystems

Competition in Ecosystems









Terrestrial and Aquatic Biomes


Includes the Following NGSS Standards:

LS2.C:  Ecosystem Dynamics, Functioning, and Resilience

• Ecosystems are dynamic in nature; their characteristics can vary over time. Disruptions to any physical or biological component of an ecosystem can lead to shifts in all its populations. (MS-LS2-4)

LS2.A:  Interdependent Relationships in Ecosystems

• Organisms, and populations of organisms, are dependent on their environmental interactions both with other living things and with nonliving factors. (MS-LS2-1)

• In any ecosystem, organisms and populations with similar requirements for food, water, oxygen, or other resources may compete with each other for limited resources, access to which consequently constrains their growth and reproduction. (MS-LS2-1)

• Growth of organisms and population increases are limited by access to resources. (MS-LS2-1)

Crosscutting Concepts

Cause and Effect: Cause and effect relationships may be used to predict phenomena in natural or designed systems.

Systems and System Models: Models can be used to represent systems and their interactions—such as inputs, processes and outputs—and energy, and matter flows within systems.

Patterns: Observed patterns in nature guide organization and classification and prompt questions about relationships and causes underlying them.

Energy and Matter: Tracking energy and matter flows, into, out of, and within systems helps one understand their system’s behavior.

Stability and Change: For both designed and natural systems, conditions that affect stability and factors that control rates of change are critical elements to consider and understand.


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