Science from Murf .LLC
This unit covers Ecology topics
associated with the Concept: “There Is
No Such Things a Free Lunch.” This
unit explores food chains and how
energy travels through an ecosystem.
Built-in activities and exciting outside
simulations have your students
learning about food chains first hand.
Part 2 explores animal dentition and
biomass pyramids.  This is a great
introductory unit and a lot of fun for all.
Duration = 3 Weeks

Download Link Below
Areas of Focus within The Feeding Levels Unit:
What is Ecology, Concepts in Ecology, Concept-There is no such thing as a free lunch, Energy
Comes From the Sun, Food Chains, Trophic Feeding Levels, Producers, Consumers, Decomposers,
Aquatic Food Chains, Phytoplankton, Zooplankton, Bioaccumulation, Biomagnification, Animal
Dentition and Skull Features, Carnivores, Herbivores, Pyramid of Biomass, Pyramid of Numbers.
The Feeding Levels Unit covers ecology topics associated with the Concept: “There Is No Such
Things a Free Lunch.” This unit explores how energy travels through an ecosystem. This unit
includes an interactive and engaging PowerPoint Presentation of 1000+ slides with built-in class
notes (Red Slides), lab activities, project ideas, discussion questions, assessments, challenge
questions with answers, videos, and much more.  Text is in large print (32 font) and is placed at the
top of each slide so it can be read from all angles of a busy classroom.  A shade technique, as well
as color coding text maintains student focus and allows teacher to control the pace of the lesson.  
Also included is a 7 page (.doc) bundled homework package that chronologically follows with the
slideshow for nightly homework and the end of the unit assessment, as well as a 5 page modified
homework bundle.  7 pages of class notes (Word doc.) with images are also included for students
who require special assistance, as well as answer keys to both of the assessments for support
professionals, teachers, and homeschool parents.  9+ video links are provided and a slide within the
slideshow cues teacher / parent when the videos are most relevant to play. Video shorts usually
range from 2-7.  One PowerPoint review game is included.  Answers to the PowerPoint review game
are provided in PowerPoint form so students can self-assess.  Lastly, several class games such as
guess the hidden picture beneath the boxes, and the find the hidden owl somewhere within the
slideshow are provided.   Difficulty rating of 4 (Ten is most difficult).  Teaching Duration = 4 Weeks.
Next Generation Science Standards (NGSS)
Visit to
learn more about each standard that is addressed within
the units / curriculum

3-5.ETS1.1 (Make observation and measurements to
identify materials based on their properties).  

5.PS3.1 (Use models to describe that energy in animals
food that is used for body repair, growth, and motion was
once energy from the sun).
•        This is standard is covered throughout with class
notes, step by step drawings, video links, images,
diagrams, flow charts, and much more.
5.LS2.1. (Develop a model to describe the movement of matter among plant, animals, and decomposers,
and the environment)
•        Several activities, video links, step by step diagrams / flow charts, and more address this standard.

MS.LS2.3 (Develop a model to describe cycling of matter and flow of energy among living and nonliving
parts of an ecosystem).  
•        This standard is addressed throughout this unit with a focus on how energy moves from the sun, to
the producers, and then to the consumers and decomposers.  The flow of matter within the nonliving
parts of an ecosystem is addressed heavily in the abiotic factors unit.

HS.LS2.4. (Use mathematical representations to support claims for the cycling of matter and flow of
energy among organisms in an ecosystem)
•        Students learn about biomass pyramids, pyramid of numbers, and the concepts of matter and
energy being conserved as it flows though the ecosystem.  The mathematics in this unit is not H.S. level
but the concepts and numbered representations of energy flow are made easy to understand for all.
Traditional standards addressed in the Ecology Trophic Feeding Levels Unit
Below are just a few of the typical standards that this unit addresses for those that are interested.  This
unit does cover many standards that are not addressed below.

●Work effectively within a cooperative group setting, accepting and executing assigned roles and

●Keep a journal record of observations, recognizing patterns, summarizing findings, and reflecting on
the observations.

●Describe how energy is transferred through food webs in an ecosystem, and explains the roles and
relationships between producers, consumers and decomposers.

●Recognize that one of the most general distinctions among organisms is between plants, which use
sunlight to make their own food, and animals, which consume energy-rich foods.

●Recognize that energy, in the form of heat, is usually a byproduct when one form of energy is
converted to another, such as when living organisms transform stored energy to motion.

●Explain how insects and various other organisms depend on dead plant and animal matter for food,
and describe how this process contributes to the system.

●Describe the Sun as the principle energy source for phenomena on the Earth’s surface and necessary
for life.

●Recognize that one of the most general distinctions among organisms is between plants, which use
sunlight to make their own food, and animals, which consume energy-rich foods.

●Given an ecosystem, trace how matter cycles among and between organisms and the physical
environment (includes water, oxygen, food web, decomposition and recycling.

●Organize observations and data into tables, charts and graphs.
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Science from Murf .LLC
Ecology Feeding Levels Unit (Instant Download) $19.99
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