Title: Cells & Classification Literacy Stations Part 1 Reading information more than once increases your ability to retain information. Read : Silently to yourself. Read: Partner A will read the entire article aloud to partner B. Read: Then, partner B will read the entire article aloud to partner A. While you read highlight 5 sentences that summarize the entire article. Use your 5 highlighted sentences to help you create your own 2 sentence summary below the article. When you look at the world around you, how do you categorize or group what you see? In science, the broadest groupings are living and nonliving. This may sound simple, but it is sometimes difficult to decide whether something is truly alive or not. So why would we say earthworms are living? All living things share life processes such as growth and reproduction. Most scientists use the following processes or characteristics to determine whether something is living or nonliving. Growth and development is easy to see in multicellular organisms like ourselves. But unicellular organisms (made up of only 1 cell) like bacteria also grow and develop throughout their lifespan. Reproduction is critical not for each individual organisms but for a population of the same type of organisms. There are two types of reproduction. One type requires two sex cells, one male and one female ( sexual reproduction). However, asexual reproduction, like clones of bacteria, only need one parent or one cell. The way the organism gains and uses it energy is also important when classifying the organism. Autotrophs , like plants, do not need to eat other organisms to survive. They use the sun’s energy to make their own food. Heterotrophs , however, are consumers. All of these characteristics help scientist place organisms in their correct grouping or Kingdom . However, because of amazing technology like microscopes, scientist can also look into the cells of all living things. The microscope has helped scientists find an even greater level of organization known as Domain . There are three Domains known as Archaea, Bacteria, and Eukarya. Archaea and Bacteria Domains are made up of Prokaryotes that have unicellular organisms whose cell does not have a nucleus. Domain Eukarya is made up of Eukaryotes that have organisms that are both unicellular and multicellular, but every one of them have cells with a nucleus. Article summary: Based on the text above compare the difference between sexual reproduction and asexual reproduction. Dictionary Practice For the following words, circle the definition that matches the context of the above text. (Both definitions come from an online dictionary.) Eu a. European Union b. true, normal Pro a. before b. a professional, especially in sports Karyo a. seed, nut b. nucleus of cell Auto a. self b. car Hetero a. different, other b. straight troph a. trophy b. nourishment Domain a. an area of territory owned or controlled by a ruler or government b. the highest taxonomic rank of organisms Kingdom a. taxonomic category b. a country, state, or territory ruled by a king or queen Classify a. an official secret that only certain people are authorized to see b. assign to a specific group based on characteristics Part 2 Edpuzzle edit and questions https://edpuzzle.com/media/568c2ef99e0ee282417c36b9 Write each answer (to the edpuzzle in the space below) in complete sentences. O rganisms are grouped based upon their _______________________ . Why are all plants called autotrophs ? What does it mean that animals are multicellular? What do Eukaryotic cells have? Why are all animals called heterotrophs ? All animals that belong to the animal kingdom are: ❏ multicellular, eukaryotic & heterotrophic ❏ multicellular, prokaryotic & carnivore ❏ unicellular, prokaryotic & autotrophs What is a Prokaryotic cell? Both Bacteria and Archaea are similar because ____________________________________. Protists are singlecelled ______________________ unlike bacteria and archaea, which means they have a membrane bound nucleus. Among the protists were the "first animals," called protozoa . They were able to perform all the basic functions of life. Why are mushrooms called decomposers? Part 3 Place the following words with the image that it matches. Some images will use more than one word. Include an explanation for each of your answers. (All words must be used). Asexual, Sexual, Heterotroph, Autotroph, Unicellular, Multicellular, Eukaryote, Prokaryote, Domain, Kingdom Part 4 In each box below, there are vocabulary words and two sentences that you will complete. The word that is in bold is the main idea. For each list of vocabulary words, circle the word that LEAST belongs, and complete “sentence A” by explaining your choice. Fill in the blanks in the second sentence, “sentence B”, with the remaining words. Asexual : unicellular, prokaryote, domain a. The word ____________ does not belong because b. Organisms that are ___________________ tend to be ______________________ and reproduce asexually . Sexual : heterotroph, male and female sex cells, offspring a. The word ____________ does not belong because b. Organisms that reproduce sexually need _______________________________________ to produce __________________. Eukaryote : multicellular, unicellular, autotroph a. The word ____________ does not belong because b. Eukaryotic organisms include organism that are ________________________ and organisms that are _____________________________. Multicellular : autotroph, heterotroph, prokaryote a. The word ____________ does not belong because b. Multicellular organisms can be classified based on how they get the energy they need to survive: an ________________ such as plants or a _________________ such as animals and fungus. Domain : kingdom, prokaryote, unicellular a. The word ____________ does not belong because b. The Domains Archaea and Bacteria include organisms that are ________________________ and because they do not contain a nucleus they are __________________________. Kingdom : autotroph, heterotroph, asexual a. The word ____________ does not belong because b. One way organisms in Kingdom Eukarya can be classified is based on whether they are an ________________ or a ___________________. Unicellular : domain, eukaryote, heterotroph a. The word ____________ does not belong because b. Many organisms in Kingdom Protista are unicellular __________________________. The Protists that get their energy by consuming other living things are considered _______________________. Prokaryote : domain, multicellular, unicellular a. The word ____________ does not belong because b. The ______________ Archaea and Bacteria are considered _____________________ prokaryotes . Autotroph : animals, plants, protists a. The word ____________ does not belong because b. An autotroph is a an organism that can make its own food and include all _________________ and some __________________. Heterotroph : eukaryote, prokaryote, unicellular a. The word ____________ does not belong because b. Heterotrophs can make their own food and include both __________________ and ______________________. Part 5 Each of the following statements are false. Underline the false section of the statement. Under each statement rewrite the statement to make it correct. In asexual reproduction offspring are produced from the union of a female and a male sex cell. Eukaryotes are organisms that lack a nucleus and most of the other organelles. Autotrophs are organisms that gain energy by consuming other organisms. Humans are considered unicellular organisms. The three Kingdoms are Archaea, Bacteria, and Eukarya. Sexual reproduction produces offspring from a single organism. Bacteria are considered multicellular. Prokaryotes are organisms that have a nucleus in their cells. Heterotrophs are organisms that make their own food. The six Domains are Archaea, Bacteria, Animalia, Plantae, Protista, and Fungi.
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