Apps by Howard Hughes Medical Institute
Stickleback Evolution Lab app icon

Education

Stickleback Evolution Lab

Howard Hughes Medical Institute

Free download 2.63 · 1 storefront · 8 ratings In-app purchases unconfirmed
Open on Apple

About this app

The Stickleback Evolution Virtual Lab will introduce you to the science and techniques used to analyze the forms and structures of organisms–in particular, the pelvic structures of the threespine stickleback fish (Gasterosteus aculeatus). The lab includes three experiments in which you will collect data using photographs of living fish specimens and fossils to draw conclusions about the evolution of stickleback fish populations. The lab includes graphing and statistical analysis of biological data. This app is geared to high school and college biology students, and anyone interested in the biological sciences. The Howard Hughes Medical Institute (HHMI) is a nonprofit medical research organization that ranks as one of the nation's largest philanthropies. HHMI plays a powerful role in advancing biomedical research and science education. HHMI brings the latest biomedical research into the classroom with the award-winning BioInteractive website, featuring free resources for science education, including lectures, animations, short films, interactive features, and classroom-ready lesson plans and activities. Topics include all areas of biology and earth and environmental science. Vist the website at www.biointeractive.org.

Latest release

What’s New

Version 1.0.3 Feb 28, 2020

Optimized for iOS 13. Fixed the issue in the Overview tab where the incorrect video played. Please note: if you are currently working on the lab using version 1.0.2, your progress will be lost with this version 1.0.3 update.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
8 ratings
8 Aug 10, 2026 · 8 ratings Aug 10, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 10, 2026 · Free Aug 10, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 10, 2026 · 5:06 PM Free

Screenshots

Stickleback Evolution Lab iPad screenshotStickleback Evolution Lab iPad screenshotStickleback Evolution Lab iPad screenshotStickleback Evolution Lab iPad screenshotStickleback Evolution Lab iPad screenshot