Melissa Petruzzello | Britannica

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Assistant Managing Editor and covers a range of content including plants, algae, and fungi; insects and spiders; and renewable energy and environmental engineering. She also handles certain topics in Christianity, notably Protestant history and churches. She joined Britannica in 2009 and is a member of the National Association of Science Writers.</p> <p>A passionate native plant gardener and conservationist, Melissa is a member of the Florida Native Plant Society and served on the Board of Directors of the St. Kateri Conservation Center. </p> <p> </p> <p><strong>EDUCATION</strong></p> <p>M.S. Plant Biology and Conservation | Northwestern University, Evanston, IL. Her thesis examined plant-pollinator interactions in a <em>Penstemon</em> population in Zion National Park, UT. </p> <p>B.S. Biological Science; minor Biblical Studies | Biola University, La Mirada, CA.  </p> <p> </p> <p> </p></div> </div> </div> </div> <div class="container pb-30"> <div class="grid"> <div class="col-sm"> <div class="md-profile-contributions md-box"> <div class="box-body p-30"> <div class="section-title">Primary Contributions (355)</div> <ul class="list-unstyled section-tabs"> <li><a href="#articles">Articles</a></li> <li><a href="#quiz">Quizzes</a></li> <li><a href="#list">Lists</a></li> <li><a href="#stories">Stories</a></li> </ul> <div class="md-profile-contributions-content"> <div id="articles"> <div class="featured-article md-box inverted light"> <div class="box-body p-30"> <div class="grid"> <div class="col-md-auto"> <div class="image-wrapper justify-content-center d-flex align-items-center align-self-center"> <img loading="lazy" src="https://cdn.britannica.com/54/265554-050-4C883F89/Jumping-ant-spider-ant-mimic-Myrmarachne-formicaria-Maharashtra-India-mimicry.jpg?w=320&h=240" alt="Ant mimic" /> </div> </div> <div class="col-md"> <div class="title"><a href="https://www.britannica.com/animal/jumping-ant-spider">jumping ant spider</a></div> <div class="description">Jumping ant spider, (Myrmarachne formicaria), species of jumping spider that mimics a redwood ant (Formica rufa) in both appearance and behavior to escape predators. The spider is native to grasslands in temperate regions of Eurasia, and has been accidentally introduced to parts of the eastern…</div> <a class="btn btn-link" href="https://www.britannica.com/animal/jumping-ant-spider">READ MORE</a> </div> </div> </div> </div> <div class="has-more"> <div class="md-profile-more-articles grid gy-30"> <div class="col-md-20 col-sm-33"> <div class="title"><a href="https://www.britannica.com/topic/Vaiont-Dam">Vaiont Dam</a></div> </div> <div class="col-md-20 col-sm-33"> <div class="title"><a href="https://www.britannica.com/plant/acai">acai</a></div> </div> <div class="col-md-20 col-sm-33"> <div class="title"><a href="https://www.britannica.com/animal/cicada">cicada</a></div> </div> <div class="col-md-20 col-sm-33"> <div class="title"><a href="https://www.britannica.com/plant/quinoa">quinoa</a></div> </div> <div class="col-md-20 col-sm-33"> <div class="title"><a href="https://www.britannica.com/topic/Chipko-movement">Chipko movement</a></div> </div> <div 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Seed dispersion." /> <strong>Falling Far from the Tree: 7 Brilliant Ways Seeds and Fruits Are Dispersed</strong> </a> </div> <div class="quiz col-md-20 col-sm-33"> <a href="/list/botanical-sex-9-alluring-adaptations"> <img loading="lazy" src="https://cdn.britannica.com/79/120779-131-4FB4D722/Shooting-star.jpg?w=220&h=115&c=crop" alt="Shooting star (Dodecatheon pauciflorum)." /> <strong>Botanical Sex: 9 Alluring Adaptations</strong> </a> </div> <div class="quiz col-md-20 col-sm-33"> <a href="/list/9-mind-altering-plants"> <img loading="lazy" src="https://cdn.britannica.com/39/123539-131-B5711E3A/Hemp.jpg?w=220&h=115&c=crop" alt="Hemp (Cannabis sativa)." /> <strong>9 Mind-Altering Plants</strong> </a> </div> <div class="quiz col-md-20 col-sm-33"> <a href="/list/8-fruits-to-try-before-you-die"> <img loading="lazy" src="https://cdn.britannica.com/68/180668-131-33D92D35/Interior-ackee-fruit.jpg?w=220&h=115&c=crop" alt="Interior of frozen Ackee fruit (Blighia sapida) with white flesh and large black seed. Native to tropical West Africa. National fruit of Jamaica. Unripe fruit is toxic (poisonous). Aka achee, ackee apple or akee" /> <strong>8 Fruits to Try Before You Die</strong> </a> </div> <div class="quiz col-md-20 col-sm-33"> <a href="/list/5-fast-facts-about-flower-anatomy"> <img loading="lazy" src="https://cdn.britannica.com/56/166356-131-804EFED9/honeybee-crocus.jpg?w=220&h=115&c=crop" alt="Macro image of pollen-covered bee on purple crocus. (flowers, stamen, pollination, insects, nature)" /> <strong>5 Fast Facts About Flower Anatomy</strong> </a> </div> <div class="quiz col-md-20 col-sm-33"> <a href="/list/6-cell-organelles"> <img loading="lazy" src="https://cdn.britannica.com/79/117279-131-38A8A1FA/membrane-system-Endoplasmic-reticulum-cells-biosynthesis-transport.jpg?w=220&h=115&c=crop" alt="Endoplasmic reticulum. cell biology" /> <strong>6 Cell Organelles</strong> </a> </div> <div class="quiz col-md-20 col-sm-33"> <a href="/list/5-awesome-parasitic-plants"> <img loading="lazy" src="https://cdn.britannica.com/88/161688-131-BB5D6F87/rafflesia-plant-jungle.jpg?w=220&h=115&c=crop" alt="Rare rafflesia plant in jungle. (endangered species)" /> <strong>5 Awesome Parasitic Plants</strong> </a> </div> <div class="quiz col-md-20 col-sm-33"> <a href="/list/5-amazing-adaptations-of-pyrophytic-plants"> <img loading="lazy" src="https://cdn.britannica.com/99/151399-131-D5358F8F/Forest-fire-trees-grasses.jpg?w=220&h=115&c=crop" alt="Forest fire burning trees and grasses. (flames, smoke, combustion)" /> <strong>Playing with Wildfire: 5 Amazing Adaptations of Pyrophytic Plants</strong> </a> </div> <div class="quiz col-md-20 col-sm-33"> <a href="/list/5-notorious-greenhouse-gases"> <img loading="lazy" src="https://cdn.britannica.com/74/157074-131-7CCAAFBA/warming-illustration.jpg?w=220&h=115&c=crop" alt="Global warming illustration" /> <strong>5 Notorious Greenhouse Gases</strong> </a> </div> </div> </div> <div class="view-all grid"> <div class="col-md-offset-40 col-md-20"> <button id="view-all-LIST" class="btn btn-blue w-100">View All</button> </div> </div> </div> <div id="stories"> <div class="has-more"> <div class="grid g-20 mb-20"> <div class="col-md-33 col-sm-50"> <a class="extended-feature-box " href="/story/whats-the-difference-between-cane-sugar-and-beet-sugar" data-id="6201"> <img loading="lazy" src="https://cdn.britannica.com/47/192347-131-62E67449/types-sugar-brown.jpg?w=360&h=270&c=crop" alt="Various types of sugar. Organic compound. Glucose. Refined sugar, raw sugar, brown sugar, sugar cubes spoon wood" /> <div class="content d-flex flex-column"> <div class="title">What’s the Difference Between Cane Sugar and Beet Sugar?</div> </div> </a> </div> <div class="col-md-33 col-sm-50"> <a class="extended-feature-box " href="/story/whats-the-difference-between-sweet-potatoes-and-yams" data-id="5498"> <img loading="lazy" src="https://cdn.britannica.com/36/188936-131-85F598EA/Yams-sweet-potato-root-vegetables.jpg?w=360&h=270&c=crop" alt="Yams and sweet potato, root vegetables" /> <div class="content d-flex flex-column"> <div class="title">What’s the Difference Between Sweet Potatoes and Yams?</div> </div> </a> </div> <div class="col-md-33 col-sm-50"> <a class="extended-feature-box " href="/story/7-of-the-worlds-deadliest-plants" data-id="3769"> <img loading="lazy" src="https://cdn.britannica.com/74/117774-131-8790B386/Carolus-Linnaeus-genus-Swedish-Jean-Nicot-tobacco-1753.jpg?w=360&h=270&c=crop" alt="Close-up of tobacco plants in Ontario, Canada. Tobacco, Nicotiana, cured leaves used after processing in various ways for smoking, snuffing, chewing, and extracting of nicotine." /> <div class="content d-flex flex-column"> <div class="title">7 of the World’s Deadliest Plants</div> </div> </a> </div> <div class="col-md-33 col-sm-50"> <a class="extended-feature-box " href="/story/a-timeline-of-environmental-history" data-id="13970"> <img loading="lazy" src="https://cdn.britannica.com/41/193741-050-9F292343/Volunteers-garbage-park-spring-cleanup.jpg?w=360&h=270&c=crop" alt="Community service - volunteers picking up garbage in a park during a spring cleanup. 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Photosynthesis" /> <div class="content d-flex flex-column"> <div class="title">What Does Photosynthesis Produce?</div> </div> </a> </div> <div class="col-md-33 col-sm-50"> <a class="extended-feature-box " href="/story/why-is-eating-protein-important" data-id="12722"> <img loading="lazy" src="https://cdn.britannica.com/51/239051-131-45FC9E29/high-protein-foods.jpg?w=360&h=270&c=crop" alt="Overhead view of high protein foods: chicken, meat, spinach, eggs, nuts, bean, cheese. 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Fruit vegetable tomato" /> <div class="content d-flex flex-column"> <div class="title">Why Are Tomatoes Red?</div> </div> </a> </div> <div class="col-md-33 col-sm-50"> <a class="extended-feature-box " href="/story/could-we-lose-all-the-soil-on-earth" data-id="11302"> <img loading="lazy" src="https://cdn.britannica.com/58/231258-131-674910FD/Tilled-farmland.jpg?w=360&h=270&c=crop" alt="Tilled farmland. (farming, dirt, soil conservation)" /> <div class="content d-flex flex-column"> <div class="title">Could We Lose All the Soil on Earth?</div> </div> </a> </div> <div class="col-md-33 col-sm-50"> <a class="extended-feature-box " href="/story/why-is-there-fresh-and-salt-water-on-earth" data-id="11301"> <img loading="lazy" src="https://cdn.britannica.com/56/157656-131-C05D8E8E/ocean-waves.jpg?w=360&h=270&c=crop" alt="Large ocean waves breaking on a stormy day. (wave; sea; whitecaps; storm)" /> <div class="content d-flex flex-column"> <div class="title">Why Is There Fresh and Salt Water on Earth?</div> </div> </a> </div> <div class="col-md-33 col-sm-50"> <a class="extended-feature-box " href="/story/why-do-wet-dogs-have-a-wet-dog-smell" data-id="11286"> <img loading="lazy" src="https://cdn.britannica.com/56/231256-131-C2D120A9/wet-dog.jpg?w=360&h=270&c=crop" alt="Puppy dog having a bath looking into the camera. Wet dog, canines" /> <div class="content d-flex flex-column"> <div class="title">Why Do Wet Dogs Have A Wet Dog Smell?</div> </div> </a> </div> <div class="col-md-33 col-sm-50"> <a class="extended-feature-box " href="/story/why-does-your-voice-change-as-you-age" data-id="11285"> <img loading="lazy" src="https://cdn.britannica.com/18/231318-131-4ACC4913/Asian-face-showing-emotion.jpg?w=360&h=270&c=crop" alt="Asian face showing emotion (talking, speaking)." /> <div class="content d-flex flex-column"> <div class="title">Why Does Your Voice Change as You Age?</div> </div> </a> </div> <div class="col-md-33 col-sm-50"> <a class="extended-feature-box " href="/story/how-does-soap-work" data-id="11283"> <img loading="lazy" src="https://cdn.britannica.com/49/231249-131-1738D810/Washing-hands-with-bar-of-soap.jpg?w=360&h=270&c=crop" alt="Man washing his hands with a bar of soap over a sink with water running. 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