--- title: 6-8.LS1.A.1 description: 6-8.LS1.A.1 Provide evidence that organisms (unicellular and multicellular) are made of cells and that a single cell must carry out all of the basic functions of life. 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/) # 6-8.LS1.A.1 Provide evidence that organisms (unicellular and multicellular) are made of cells and that a single cell must carry out all of the basic functions of life. [![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) ## 6-8.LS1.A.1 Grade Ranges All K-2 3-5 6-8 [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(83).png) ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/comparing-cells) ## [Comparing Cells In this unit, students explore science phenomena of the life forms that live on Earth, analyzing the cellular structures that make up complex organisms and figuring out how different groups of cells work together to keep the organism functioning properly. This page shows extracts from each part of this lesson.](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/comparing-cells) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/comparing-cells) [![](https://www.knowatom.com/hubfs/image4-Oct-09-2023-06-59-07-0880-AM.png) ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/cellular-respiration) ## [Cellular Respiration In this unit, students compare the science phenomena of bacterial, plant, and animal cells, figuring out similarities among them all as well as differences. Students then conduct an experiment into how yeast cells extract energy from food molecules. This page highlights components of this lesson. ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/cellular-respiration) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/cellular-respiration) [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(43).png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/living-things-prokaryotes-and-eukaryotes) ## [Living Things: Prokaryotes and Eukaryotes In this unit, students focus on the organisms that live on Earth’s surface, analyzing the science phenomena of how all living things are made of cells, which have certain requirements for survival, including food, water, and energy. They explore the phenomena of structure and function by analyzing the role of the cell membrane in maintaining a balanced amount of water in the cell. This page highlights excerpts from a few sections of this lesson.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/living-things-prokaryotes-and-eukaryotes) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/living-things-prokaryotes-and-eukaryotes) [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(44).png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/animal-and-plant-cell-structure-and-function) ## [Animal and Plant Cell Structure and Function In this unit, students focus on the relationship between an organism’s cellular structure and the ability of the organism to access energy to carry out essential life functions. Students begin by examining prokaryotic and eukaryotic cells under the microscope and then compare organelles in plant and animal cells in this lesson. This page is a high-level extract of this lesson.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/animal-and-plant-cell-structure-and-function) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/animal-and-plant-cell-structure-and-function) [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(45).png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/the-cell-membrane) ## [The Cell Membrane In this unit, students focus on the organisms that live on Earth’s surface, analyzing how living things are made of cells, which have certain requirements for survival, including food, water, and energy. In this lesson they explore the phenomena of cellular membranes. This page highlights key parts of this lesson.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/the-cell-membrane) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/the-cell-membrane) [![](https://www.knowatom.com/hubfs/image4-Oct-08-2023-08-54-56-6231-PM.png) ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/observing-and-comparing-cells) ## [Observing and Comparing Cells In this unit, students focus on science phenomena related to the diversity of life, analyzing how scientists use the fossil record to tell of how life has evolved over time. In this lesson, students then compare the phenomena of cellular diversity in fungi, plant, and animal cells, exploring how similarities can be used to support evolutionary relationships. This page is a high-level extract of this lesson.](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/observing-and-comparing-cells) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/observing-and-comparing-cells) [![](https://www.knowatom.com/hubfs/cell-to-system-book1.jpg) ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/cell-structure-and-function) ## [Cell Structure and Function In this unit, students explore the structure and function of the human body by developing models of the interactions within and between systems.](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/cell-structure-and-function) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/cell-structure-and-function) 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/6-8.ls1.a.1", "@type" : "WebPage", "description" : "6-8.LS1.A.1 Provide evidence that organisms (unicellular and multicellular) are made of cells and that a single cell must carry out all of the basic functions of life." }, "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" } ```