Inside the Ecological Relationships 5E Lesson
The 5E instructional model walks students through five phases: Engage, Explore, Explain, Elaborate, and Evaluate. It flips the traditional lecture-first sequence on its head. Students explore a concept hands-on before you ever explain it, which means by the time you do explain it, they have something to hook the vocabulary onto.
I switched to the 5E model years ago and stopped going back. Kids retain more, ask better questions, and stop staring at me waiting to be told the answer. The Ecological Relationships 5E Lesson is built on this framework from start to finish. Here's how it plays out across the five phases.
🎯 Engage
📷 Engage image — objective slide OR word wall card
Day one is a teacher-led relationship card sort. Each student (or small group) gets a stack of 12 organism-pair cards (clownfish and anemone, tick and deer, lion and zebra, two squirrels and one acorn pile) and a sorting mat with five columns: mutualism, commensalism, parasitism, predation, competition. Following the step-by-step teacher directions, they predict where each card goes based on what they already know.
By the end of the period, kids have argued about every card, defended their choices to a partner, and walked away with a working understanding of all five relationships. Nobody has heard a vocabulary lecture yet. That's the point. They're walking into the rest of the unit with a working mental model, not a memorized definition.
What's included in the Engage:
- Teacher directions for the relationship card sort
- Printable card set and sorting mat
- Answer key for the discussion questions
- Four learning objective slides (standard verbatim, key verb highlighted, "I CAN...", and "WE WILL...")
- An illustrated Ecological Relationships Word Wall in English and Spanish covering the full unit vocabulary
🔬 Explore
📷 Explore image 1 — wide shot of Station Lab in action
The Ecological Relationships Station Lab is the heart of the Explore phase. Students rotate through 8 stations (plus a 9th challenge station for early finishers) over one class period. The Station Lab is split into four input stations (where kids take in new information) and four output stations (where they show what they learned).
The four input stations:
- 🎬 Watch It! — Students watch a short video on symbiotic relationships, predator-prey interactions, and competition, then answer guided questions.
- 📖 Read It! — A one-page reading passage at two differentiated levels, with a Spanish version included.
- 🔬 Explore It! — A hands-on relationship analysis activity where students use the plus/minus/zero method on photo cards of real organism pairs.
- 💻 Research It! — Reference cards on the five relationship types with classic examples (clownfish and anemones, oxpecker and buffalo, tapeworms and hosts, lions and zebras).
The four output stations:
- 📋 Organize It! — A 12-card sort where students physically place organism pairs under the correct relationship type.
- 🎨 Illustrate It! — Students draw a graphic organizer showing all five relationships with a unique example and "+ / - / 0" code for each.
- ✍️ Write It! — Three open-ended questions in complete sentences (this is where you see who really gets it).
- 📝 Assess It! — A short formative check with multiple choice and a fill-in-the-blank vocabulary paragraph.
📷 Explore image 2 — close-up of featured station (Explore It! or Organize It!)
Print and digital versions are both included. If you want the full breakdown of what happens at every single station, what students produce, and how to set it up, that's in our dedicated Station Lab post.
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Read the full Ecological Relationships Station Lab walkthrough
8 stations, materials list, teacher tips
The Station Lab is included in the full 5E lesson. You don't need to buy it separately if you're getting the whole unit.
📚 Explain
📷 Explain image 1 — Presentation slide screenshot
Here's the real payoff of doing the Engage and Explore before the Explain: by the time kids hit this phase, they've already sorted twelve organism pairs by hand and used the plus/minus/zero method to analyze each one. They have a working understanding before you ever start naming things. The discussions get deeper, the questions get sharper, and you spend less time defining and more time pushing their thinking.
The Ecological Relationships Presentation walks 6th graders through the full scope of TEKS 6.12B, one concept at a time, with photographs of real organism pairs on nearly every slide. The deck opens with a quick reset on ecosystems and the idea that resources are always limited, then builds out the three categories of interactions: predatory, competitive, and symbiotic.
📷 Explain image (middle) — Presentation slide screenshot (classification hierarchy, Essential Question, or category comparison)
Students learn that a predator kills and eats another organism (the prey), and that predator-prey relationships keep populations in balance. The deck includes population graphs of coyotes and rabbits so students can see why predator and prey numbers rise and fall together. Competition gets its own section, with the key idea that organisms compete only when resources are scarce, not just because they live nearby.
The biggest chunk of the unit covers symbiosis, which is the umbrella term for close, long-term interactions between two species. Students learn that symbiosis breaks into three types: mutualism (both benefit, like hummingbirds and flowers), commensalism (one benefits, the other is unaffected, like tree frogs hiding in leaves or moss growing on a tree), and parasitism (one benefits, the other is harmed, like tapeworms in a host or fleas on a dog). The deck teases out a subtle point that trips up almost every 6th grader the first time: predation and parasitism both have a winner and a loser, but a predator kills its prey quickly while a parasite usually keeps its host alive so it has a place to live.
📷 Explain image 2 — Presentation slide screenshot
What makes the Ecological Relationships Presentation different from a typical ecology slideshow is that kids are doing something on almost every single slide. It's not a lecture deck. It's a participation deck. "Your answer:" prompts appear on most slides, Brain Breaks reset attention every few slides, Quick Action INB tasks (a symbiosis matching activity, a food web relationship hunt, a coyote-rabbit graph analysis) show up throughout, and Think About It prompts push deeper into bigger ideas like why ecosystems need predators and what happens when a key relationship disappears. The deck closes with a Check for Understanding tied back to the Essential Questions about how organisms depend on and compete for resources.
The Explain materials in this product include:
- An editable Presentation at two differentiated levels (Dependent and Modified), works in PowerPoint or Google Slides
- A guided fill-in-the-blank student notes handout that mirrors the Presentation, with answer key
- A Paper Interactive Notebook (English and Spanish) students cut, fold, and glue into their notebooks
- A Digital Interactive Notebook at both levels with answer keys, for 1:1 classrooms or Google Classroom
The Explain runs across two class periods. The built-in Think About It prompts are where the real discussion happens, so let those breathe.
🛠️ Elaborate
📷 Elaborate image — Student Choice Project board or sample student work
The Elaborate phase is where students stretch what they learned about ecological relationships and put it into a project of their choosing. In this 6th grade life science lesson, that's a Student Choice Project board with six different project options plus a "design your own" pathway.
Students might write and illustrate a children's book where each chapter is a different relationship type, design a wildlife magazine featuring real examples of mutualism, commensalism, and parasitism, or build a model food web that labels every interaction with the plus/minus/zero code. There are options for kids who love to write, kids who love to draw, kids who love to build, and kids who love to perform. Whatever the project, the point is the same: students apply symbiosis, predation, and competition to a real-world artifact instead of a worksheet.
Choice is the whole point. By letting students pick how they show their thinking, you get more authentic work for TEKS 6.12B and you actually get to see what they understand about analyzing ecological relationships.
The rubric (the part teachers actually want)
Every project, no matter which option a student picks, is graded on a five-category rubric:
- Vocabulary: At least four words from the lesson are used in context.
- Concepts: At least two key concepts from the lesson are referenced.
- Presentation: The project grabs attention and is well-organized.
- Clarity: Easy to understand. Free of typos.
- Accuracy: Drawings and models are accurate. The science is right.
Two differentiated versions in one file
The standard version is for students ready for independent application of ecological relationships. The Reinforcement version is for students who need additional vocabulary or concept support. Three of the six options are swapped for projects with a tighter vocabulary tie-in, and "design your own" is replaced with "collaborate with the teacher" so kids aren't pitching cold.
✅ Evaluate
The Evaluate phase wraps the unit with a formal assessment. It's not all bubble-in. Several questions hand students a photo of two organisms and ask them to identify the relationship type and defend it with the plus/minus/zero code.
The full assessment has 12 questions across five formats:
- Multiple choice (4 questions) covering the five relationship types, the three categories of symbiosis, and key vocabulary
- Hotspot / visual (2 questions) where students circle the correct relationship label for an image and describe how they can tell
- Multiselect (2 questions) where students pick all the relationship types that fit a given scenario
- Short answer (2 questions) on the difference between predation and parasitism, and why competition can happen without any eating involved
- Multipart scenario (2 questions) with a food web where students identify four different relationships and code each one
A modified version is included for students who need additional support. Fewer multiple-choice distractors, sentence-starter scaffolds on the short-answer items.
If you've taught all five phases, this assessment shouldn't surprise anyone. It's a chance for kids to show you they get it.
