December 25, 2020 3:30 am How can conifers that are used, for example, as Christmas trees, keep their green needles over the boreal winter when most trees shed their leaves? Conifers do undergo photosynthesis in the winter, hence their needle-like leaves being green. These plastids are located in the cytoplasm of leaves and they contains the green coloring matter called chlorophyll. The chlorophyll that keeps conifer needles “evergreen” requires energy to create and maintain. Most precipitation comes in the form of snow during the winter, which needs to melt and turn into water before the tree can use it. Rather than shutting down chlorophyll production, evergreens expend the needed energy to sustain it because of the benefits. That means trees are waiting all winter for a drink of water! In general, deciduous trees have broader leaves than conifers, too. Also known as softwoods, coniferous trees are taxonomically classified under the order Coniferales and phylum Pinophyta.Since conifers are non-flowering, but seed producing plant, they are included in the plant group, gymnosperms. And in general, the leaves on these trees don’t change color. Coniferous trees—like pine, spruce, fir, and cedar—have a few different solutions. These needles are often heavily impregnated with a resin which resists cold and wet weather far better than a frail leaf. chlorophyll leaf ©www.thecurriculumcorner.com ©www.thecurriculumcorner.com. Conifer trees have adapted to keep their greenery year around. Vocabulary Task #2 Sort the words by the number of syllables. Common coniferous trees are pine, fir, cedar, and redwoods. The term photosynthesis means "putting together with light". Think of forests in colder places – full of spruce trees, pine trees, the Christmas tree type of trees. The Photosynthetic Process in Trees . There are a few species of trees that have characteristics of both deciduous and coniferous trees. Deciduous Conifers. Many conifers have needles rather than leaves. Besides cones, another characteristic feature of these trees are the needle or scale like leaves, which are very different from the broad shaped deciduous trees. During boreal winter most trees shed their leaves. Conifers are also categorized as evergreens, but it is important to note that there are a few evergreen trees that do not fall in the coniferous family. Scientists believe that a phenomenon called sustained quenching offers photoprotection and enables their survival, but its precise molecular and … However, conifers such as Christmas trees keep their green needles intact. Many deciduous trees put on a dazzling fall foliage display. The main difference between coniferous (also called evergreen) and deciduous trees is that deciduous trees lose their leaves every year and most conifers do not. List three facts that will help you. Vocabulary Task #1 Put the vocabulary words in ABC order. But coniferous evergreens hold on to their needles and stay green. Oak, maple, and birch trees are examples of deciduous trees. Conifer trees are a little different. A biologist breaks down these different survival strategies. These kinds of trees usually have large, broad leaves. The leaves of many, but not all, deciduous trees change color before they fall off their branches. This is the key difference between a conifer and deciduous trees. Conifer trees are the ones that bear cones and have those needle-like leaves. It is a manufacturing process that happens within cells of plants and within tiny bodies called chloroplasts. The green needles are not green just because they like the colour and it attracts all the ladies.. As the needles on the Conifer are plentiful and very thin, they can attract sunlight more easily in small doses. 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