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Insect Populations Lesson Packet

Jun 22, 2020 | Online Learning, Monday, Science Lessons | 0 comments

Get The Lesson

Learn how insects play a critical role in our ecosystem through this lesson.

Get this lesson: You can download the full packet here, or read a condensed version of this unit below.

Worksheet: Download just the worksheet, or there’s a copy included in the packet.

Overview: 

Insects are invertebrates that are found all over the world and are incredibly important indicators of the health of ecosystems.  Insects tend to have a segmented body, legs, bilateral symmetry (both sides of their bodies look the same), and an external skeleton that often molts (sheds and regrows) as the insect grows.  Insects are quite unique in that they are found in nearly every part of the globe, including the Arctic.  They are the most abundant group of organisms on the planet; there are over 1,000,000 different kinds and they have been around for nearly 300 million years.

Recent studies have found that insect populations are decreasing worldwide, a trend that could be a contributing factor to the decline of ecosystems.  Insect populations are made up of many small individuals but often have a very large impact on the planet. These populations are important in understanding the overall health of environments.                                   

Video resources: 

Insect Decline in 5 min – An overview of the importance of insects and why their decline could be catastrophic.

Life of Insects | Attenborough: Life in the Undergrowth – An insight into the world of insects  there might be a better one?

Why are insects important? – A short and simple guide on the importance of insects.

Maggot medicine – A look at how maggots could be used for wound healing in humans.

Sample Research Project:

Headwaters’ DIY insect sweep net 

Methods: Make an insect sweep net that can be used to collect samples for a research project. See how to do it in this video

Supplies: a white t-shirt or pillowcase, needle and thread, a hot glue gun or duct tape, a stick

Sample questions:

  • How does the population of insects differ between a sunny and shady area?
  • How does the population of insects differ between an urban and rural area?
  • How does the population of insects differ between a terrestrial (on land) and an aquatic (near water) setting?

NGSS Standards:

MS-LS2-1; MS-LS2-2; MS-LS2-4 Ecosystems: Interactions, Energy, and Dynamics
HS-LS2-1; HS-LS2-2; HS-LS2-6; HS-LS2-8 Ecosystems: Interactions, Energy, and Dynamics

SEPs: Analyzing and interpreting data
Constructing Explanations and designing solutions
Scientific knowledge based on empirical evidence
Planning and carrying out investigations

CC: Cause and effect
Stability and change
Patterns

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