--- title: 7.MS-LS2-1 description: 7.MS-LS2-1 Analyze and interpret data to provide evidence for the effects of periods of abundant and scarce resources on the growth of organisms and the size of populations in an ecosystem. image: https://www.knowatom.com/hubfs/Right%20Image.png --- [![Teacher Login](https://no-cache.hubspot.com/cta/default/347944/f56bee57-133e-4975-8055-799f1f23588b.png)](https://cta-redirect.hubspot.com/cta/redirect/347944/f56bee57-133e-4975-8055-799f1f23588b) [Teacher Login](https://app.knowatom.com/signin) [![KnowAtom Logo](https://www.knowatom.com/hubfs/KnowAtom%20Logo.svg "KnowAtom Logo")](https://www.knowatom.com/) # 7.MS-LS2-1 Analyze and interpret data to provide evidence for the effects of periods of abundant and scarce resources on the growth of organisms and the size of populations in an ecosystem. [![Download a Sample Unit](https://no-cache.hubspot.com/cta/default/347944/20eee377-e175-48fe-a039-ae723137a2a6.png)](https://cta-redirect.hubspot.com/cta/redirect/347944/20eee377-e175-48fe-a039-ae723137a2a6) Science & Engineering Practices - [Developing and using models](https://www.knowatom.com/developing-and-using-models) - [Planning and carrying out investigations](https://www.knowatom.com/planning-and-carrying-out-investigations) - [Constructing explanations and designing solutions](https://www.knowatom.com/constructing-explanations-and-designing-solutions) - [Engaging in argument from evidence](https://www.knowatom.com/engaging-in-argument-from-evidence) - [Obtaining evaluating and communicating information](https://www.knowatom.com/obtaining-evaluating-and-communicating-information) Disciplinary Core Ideas - [Weather and Climate](https://www.knowatom.com/weather-and-climate) - [Conservation of Energy and Energy Transfer](https://www.knowatom.com/conservation-of-energy-and-energy-transfer) Crosscutting Concepts - [Patterns](https://www.knowatom.com/patterns) - [Cause and Effect](https://www.knowatom.com/cause-and-effect) [![New call-to-action](https://no-cache.hubspot.com/cta/default/347944/b5a1446e-d782-4a5f-a019-0b3b98c8304f.png)](https://cta-redirect.hubspot.com/cta/redirect/347944/b5a1446e-d782-4a5f-a019-0b3b98c8304f) ## Browse 7.MS-LS2-1 Lesson Plans Grade Ranges All K-2 3-5 6-8 [![](https://www.knowatom.com/hubfs/image1-Oct-09-2023-07-19-57-9333-AM.png) ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/food-webs) ## [Food Webs In this unit, students focus on animal populations, studying how all living things interact with and depend on other living things and the environment for survival. For this lesson, students explore how energy and matter move through a particular ecosystem’s food web and can be disrupted by the introduction of invasive species. This page highlights key components of this lesson.  ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/food-webs) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/food-webs) [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(53).png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/rocky-shore-ecosystems) ## [Rocky Shore Ecosystems In this unit, students explore the phenomena of rocky shore ecosystems, studying the interactions between living things and the environment. In this lesson they focus on the science phenomena of how organisms interact with one another in an ecosystem. This page showcases key elements from this lesson.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/rocky-shore-ecosystems) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/rocky-shore-ecosystems) [![](https://www.knowatom.com/hubfs/image3-Oct-08-2023-09-44-55-1622-PM.png) ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/drought-and-tree-growth) ## [Drought and Tree Growth In this unit, students explore forest ecosystem phenomena, investigating the science phenomena of interactions between living things and the environment. In this lesson students discover the phenomena of tree rings and analyze how resource availability affects the ability of different organisms and populations to grow. This page is a high-level extract of this lesson. ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/drought-and-tree-growth) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/drought-and-tree-growth) Standards citation: NGSS Lead States. 2013. *Next Generation Science Standards: For States, By State*s. Washington, DC: The National Academies Press. Neither WestEd nor the lead states and partners that developed the Next Generation Science Standards were involved in the production of this product, and do not endorse it. ![KnowAtom Logo](https://www.knowatom.com/hubfs/KnowAtom%20Logo.svg "KnowAtom Logo") Quick Links Resources Sign Up for Our Blog ### Sign Up for Our Blog Connect with Us - - - - © 2026 KnowAtom LLC  •  10 Brady Drive Unit 3   •  Ipswich MA •   01938 USA [DO NOT SELL MY PERSONAL INFORMATION](https://www.knowatom.com/do-not-sell-my-personal-information) | [Privacy Policy](https://www.knowatom.com/privacy-policy) | [Terms of Use](https://www.knowatom.com/terms-of-use) ```json { "@context" : "http://schema.org", "@type" : "Organization", "address" : { "@type" : "PostalAddress", "addressCountry" : "USA", "addressLocality" : "Salem", "addressRegion" : "MA", "postalCode" : "01970", "streetAddress" : "27 Congress Suite 410" }, "alternateName" : "KA", "areaServed" : { "@type" : "GeoCircle", "geoMidpoint" : { "@type" : "GeoCoordinates", "latitude" : "+42.5182274", "longitude" : "-70.8877569" }, "geoRadius" : "150 km" }, "description" : "Next Generation Science STEM Curriculum", "email" : "fvigeant@knowatom.com", "image" : "https://www.knowatom.com/hubfs/KA-GSD.png", "logo" : "https://www.knowatom.com/hubfs/Knowatom-2017/Image/logo-1.png", "mainEntityOfPage" : { "@id" : "https://www.knowatom.com/7.ms-ls2-1", "@type" : "WebPage", "description" : "7.MS-LS2-1 Analyze and interpret data to provide evidence for the effects of periods of abundant and scarce resources on the growth of organisms and the size of populations in an ecosystem." }, "name" : "KnowAtom", "sameAs" : [ "https://www.facebook.com/KnowAtom", "https://twitter.com/KnowAtom", "https://www.youtube.com/channel/UCS0rbN0RfqaU1xaISrdVpTA", "https://plus.google.com/110709105138117096940" ], "telephone" : "(617) 475-3475", "url" : "https://www.knowatom.com" } ```