Welcome to Life Science Quest

Built for 7th graders: engaging lessons, interactive simulations, drag-and-drop builders, practice and quizzes — with XP rewards. Every chart shows clear axes with tick numbers and titles for easy reading.

What you’ll learn

How ecosystems work: energy flow, food webs, cycles, biodiversity
Biology foundations: cells, genetics, evolution, classification
Organism groups: microbes, plants, animals, human body
Doing science: scientific method, data & graph skills

How to use

Start with Ecosystems & Ecology (interactive food web + energy pyramid).
Run the Predator–Prey simulator and read the chart.
Explore Matter Cycles via drag-and-drop labels.
Review other biology units and take the 24-question quiz.

🌍 Ecosystems & Ecology

Food Web Builder

Drag organisms into the grid. Then click Connect and draw arrows from food → eater.

Rules: energy flows from producer → consumer → top predator; decomposers can receive from all.

Energy Pyramid

Use the slider to see how much energy reaches each level. The default is the "10% rule".

Efficiency: 10% Producer Energy

Producers: -

Primary: -

Secondary: -

Tertiary: -

🐇🦊 Predator–Prey Simulator (Lotka–Volterra)

Initial Prey (rabbits)

Initial Predators (foxes)

Prey growth a

Predation b

Predator growth c

Predator death d

Axes: Time (x) vs Population (y). Legend shows rabbits vs foxes. Labels auto-rotate to avoid overlap.

🔁 Matter Cycles (Water, Carbon, Nitrogen)

Water Cycle — Label It

Drag labels to the correct stage.

Carbon Cycle — Label It

Nitrogen Cycle — Label It

🔬 Cells — Label the Organelles

Drag the labels to the correct spots on the cell.

Key Ideas

All living things are made of cells (Cell Theory).
Organelles: nucleus, mitochondria, chloroplast (plants), vacuole, cell membrane, cell wall (plants).
Processes: diffusion, osmosis, photosynthesis, respiration.

🧬 Genetics — Punnett Square Builder

Parent 1 (e.g., Aa)

Parent 2 (e.g., Aa)

Dominant trait letter

Genotype ratio: -

Phenotype ratio: -

Key Ideas

Genes have different forms called alleles.
Dominant vs recessive; heterozygous vs homozygous.
Punnett squares predict offspring probabilities.

🦴 Evolution & Natural Selection

Bird Beaks Scenario

Choose a beak type for a food source and see which birds thrive.

Food:

Key Ideas

Variation exists within populations.
Traits that help survival/reproduction become more common (natural selection).
Evidence: fossils, homologous structures, DNA.

🗂️ Classification & Taxonomy

Sort It!

Drag organisms into the right kingdom.

Plants

Animals

Key Ideas

Domains & Kingdoms (Bacteria, Archaea, Protists, Fungi, Plants, Animals).
Scientific names: Genus species (binomial nomenclature).
Use traits to group living things.

🧫 Microorganisms

Helpful or Harmful?

Key Ideas

Bacteria, protists, fungi — vital in decomposition and industry.
Many are helpful (yogurt bacteria, decomposers), some cause disease.
Hygiene and antibiotics (use responsibly).

🌿 Plants

Plant Reproduction Match

Key Ideas

Photosynthesis in chloroplasts (CO₂ + H₂O → glucose + O₂).
Parts: roots, stems, leaves, flowers, seeds.
Pollination → fertilization → seed/fruit; some plants use spores.

🐾 Animals

Invertebrate vs Vertebrate

Invertebrates

Vertebrates

Key Ideas

Backbone presence (vertebrates) vs absence (invertebrates).
Groups: fish, amphibians, reptiles, birds, mammals.
Adaptations for habitat and survival.

🩻 Human Body Systems

Match the System

Key Ideas

Systems: digestive, circulatory, respiratory, nervous, endocrine, skeletal, muscular, excretory, immune, reproductive.
Homeostasis: systems work together to keep balance.

🧩 Practice

Randomized questions across all units. +5 XP correct.

📝 24-Question Quiz

Progress saves locally on this device.

📚 Glossary

About

Single-file, offline app. All charts use axis titles + numbered tick labels with smart rotation/dropping to prevent overlap.

Theme (light/dark), focus mode, XP
Drag-and-drop activities, simulations, practice, quiz