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BIO 1120, mapped before it happens.

Environmental Biology Lab · Fall 2026. Every lab, every reading, every one of the 330 points — visible from day one. Study with Meerk, open the gate, walk into class ready.

Take this lab's quiz — Lab 4See the whole courseAdd the calendar

Coming up

Lab-close dates come from the syllabus. Exact due times for each item are in Canvas.

Subscribe to the BIO 1120 calendar — every due date on your phone, no account needed.

This companion runs one week ahead of the course, so you walk into each week already prepared. Canvas due dates do not change.

Study tools

FlashcardsTerms and ideas, every labExercisesHands-on tasksMidterm Lab Skills ReviewL1–L5: Scientific method through climateFinal Lab Skills ReviewL1–L10: Full semester lab conceptsContest modeLightning rounds in class, by table

The whole course

Tap a lab for the readings, what to know, and Meerk's quiz. Week of = the Monday it opens.

  1. Tue, Sep 1Lab 0: Lab Report Writing Guide
    in Canvas
  2. Mon, Aug 31Lab 1: Scientific Method
    Lab Write Up · Discussion Board Introduction
    FlashcardsMeerk's quiz →    45 pts
  3. Mon, Sep 7Lab 2: Eco-footprint and Water Footprint
    Lab Write Up
    FlashcardsMeerk's quiz →    30 pts
  4. Mon, Sep 14Lab 3: Darien Rainforest Food Chain and Food Web
    Lab Write Up
    FlashcardsMeerk's quiz →    30 pts
  5. Mon, Sep 21Lab 4: Ocean Acidification
    Data Collection (due 9/28) + Lab Write Up (due 10/5)
    FlashcardsMeerk's quiz →    30 pts
  6. Mon, Oct 5Lab 5: Adaptations and Invasive Species — Fashion a Fish
    Lab Write Up
    FlashcardsMeerk's quiz →    30 pts
  7. Mon, Oct 12Lab 6: Population and Community Dynamics — Owl Pellet Dissection
    Lab Write Up
    FlashcardsMeerk's quiz →    30 pts
  8. Mon, Oct 19Lab 7: Water Pollution — Oil Spill
    Data Collection (due 10/26) + Lab Write Up (due 11/2)
    FlashcardsMeerk's quiz →    30 pts
  9. Mon, Nov 2Lab 8: Energy Resources and Efficiency — Energy Audit
    Lab Write Up + Discussion Board Posting
    FlashcardsMeerk's quiz →    30 pts
  10. Mon, Nov 9Lab 9: Environmental Health — Lead Investigation
    Lab Write Up
    FlashcardsMeerk's quiz →    30 pts
  11. Mon, Nov 16Lab 10: Waste Management — Waste Investigation and E-Life Documentary
    Lab Write Up · Discussion Board Exit Post
    FlashcardsMeerk's quiz →    45 pts
  12. Mon, Sep 7Lab 1 + Discussion Introduction due
    Lab 1 write-up (30 pts) and Discussion Board Introduction (15 pts) both due 9/7 @ 11:59pm.
    45 pts
  13. Mon, Sep 28Lab 4 data collection due
    Ocean Acidification data collection deadline (a bit flexible, but give yourself enough time). Lab write-up due 10/5.
    in Canvas
  14. Mon, Oct 5Lab 4 write-up due
    Ocean Acidification full lab write-up (30 pts) due 10/5 @ 11:59pm.
    30 pts
  15. Mon, Oct 26Lab 7 data collection due
    Oil Spill data collection deadline (a bit flexible, but give yourself enough time). Lab write-up due 11/2.
    in Canvas
  16. Mon, Nov 2Lab 7 write-up due
    Oil Spill full lab write-up (30 pts) due 11/2 @ 11:59pm.
    30 pts
  17. Mon, Nov 23Lab 10 + Discussion Exit Post due
    Lab 10 write-up (30 pts) and Discussion Board Exit Post (15 pts) both due 11/23 @ 11:59pm.
    45 pts

How the 330 points break down

330 total points: 10 lab assignments × 30 pts = 300 pts · 2 discussion boards × 15 pts = 30 pts. Grading: A 297–330 · B 264–296 · C 231–263 · D 198–230 · F below 197.

Where do I stand? (nothing leaves this page)

Type the points you have earned so far. This runs on your device only — nothing is sent or saved.

Course facts

Tracy Ring · dirkste@pgcc.edu · dept Natural Sciences · 301-546-0420
Online (ONLN) · asynchronous in Canvas · 10 lab modules, Aug 31 – Nov 24, 2026 · 1 credit · 37.5 hours
Grading: A 90–100 · B 80–89 · C 70–79 · D 60–69. Late assignments are not accepted without a valid, documented reason. Make-up assignments are not given without valid documentation.

Open Canvas (my.pgcc.edu)

For families — the Dinner Table Question

Every lab ends with one question to ask at home. No answer key, no grade — just a conversation.

Lab 4: If ocean acidification dissolves coral reefs in your lifetime, what do you think the ocean will look and feel like — and what will people living near the coast lose?

En español: Si la acidificación del océano disuelve los arrecifes de coral en tu vida, ¿cómo crees que se verá el océano — y qué perderán las personas que viven cerca de la costa?

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