--- title: 6-8.LS1.A.4 description: 6-8.LS1.A.4 Present evidence that body systems interact to carry out key body functions, including providing nutrients and oxygen to cells, removing carbon dioxide and waste from cells and the body, controlling body motion/activity and coordination, and protecting the body. 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.4 Present evidence that body systems interact to carry out key body functions, including providing nutrients and oxygen to cells, removing carbon dioxide and waste from cells and the body, controlling body motion/activity and coordination, and protecting the body. [![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 6-8.LS1.A.4 Lesson Plans Grade Ranges All K-2 3-5 6-8 [![](https://www.knowatom.com/hubfs/image4-Oct-09-2023-07-13-15-5068-AM.png) ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/natural-selection) ## [Natural Selection In this unit, students figure out the interconnectedness of genetics, heredity, and evolution. For this lesson, students create an experiment to observe the phenomenon of natural selection determining which organisms are most likely to survive and pass on their traits. This page showcases parts of key components of the lesson.](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/natural-selection) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/8th-grade-science/natural-selection) [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(43).png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/food-and-energy) ## [Food and Energy In this unit, students explore 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, students figure out the phenomena of energy transfer in living systems with a focus on how energy and matter flow through organisms. This page showcases excerpts from components of this lesson.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/food-and-energy) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/food-and-energy) [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(48).png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/chromosomes-and-mutations) ## [Chromosomes and Mutations In this unit, students analyze phenomena of inheritance in how living things pass along their genes to offspring. Students evaluate the role of DNA and chromosomes in heredity in this lesson. This page is a high-level extract of this lesson.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/chromosomes-and-mutations) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/chromosomes-and-mutations) [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(49).png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/mitosis-in-animal-and-plant-cells) ## [Mitosis in Animal and Plant Cells In this unit, students discover how life reproduces at the cellular level, analyzing the science phenomena of how genetic information is stored in chromosomes. In this lesson, students observe mitosis in plants and animals. This page shows key components of this lesson.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/mitosis-in-animal-and-plant-cells) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/mitosis-in-animal-and-plant-cells) [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(50).png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/reproduction) ## [Reproduction IIn this unit, students analyze the science phenomena of inheritance, how living things pass along their genes to offspring. Students evaluate the role of DNA and chromosomes in heredity, and compare the two forms of cell division: the phenomena mitosis and phenomena meiosis. This page shows key components of this lesson on reproduction.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/reproduction) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/reproduction) [![](https://www.knowatom.com/hubfs/Grade/Screenshot%20(55).png) ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/sea-star-structures) ## [Sea Star Structures In this unit, students focus on the phenomena of rocky shore ecosystems and the science phenomena of how organisms interact. For this lesson, students analyze how adaptations allow for the survival of different organisms, specifically sea star structures. This is a high-level extract of this lesson.](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/sea-star-structures) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/7th-grade-science/sea-star-structures) [![](https://www.knowatom.com/hubfs/image1-Oct-08-2023-08-54-59-8029-PM.png) ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/life-on-earth) ## [Life on Earth In this unit, students explore the phenomena of diversity of life on Earth and consider how living things pass on traits to their offspring while also adapting to meet the needs of the environment. In this lesson, students figure out how scientists use the fossil record for clues to how life has evolved over time. This page highlights key parts of this lesson. ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/life-on-earth) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/life-on-earth) [![](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/image1-Oct-08-2023-08-54-59-8029-PM.png) ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/reproduction-and-fungi-structures) ## [Reproduction and Fungi Structures In this unit, students explore how life has changed and become more diverse over time. In this lesson, students dissect fungi to figure out how they reproduce. This page highlights components of this lesson. ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/reproduction-and-fungi-structures) [ VIEW LESSON ](https://www.knowatom.com/science-phenomena-videos/6th-grade-science/reproduction-and-fungi-structures) 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.4", "@type" : "WebPage", "description" : "6-8.LS1.A.4 Present evidence that body systems interact to carry out key body functions, including providing nutrients and oxygen to cells, removing carbon dioxide and waste from cells and the body, controlling body motion/activity and coordination, and protecting the body.\n\n" }, "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" } ```