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Name: ________________________________________ Block: _____ Date: _____/_____/_____ ENVIRONMENTAL SCIENCE Read Chapter 4, Section 3 in the textbook (pages 108 – 113). Fill in the blanks with a word or phrase that best completes each item. Chapter 4 – Section 3: The Diversity of Living Things I) Archaebacteria and Eubacteria A) Archaebacteria and eubacteria share a lot of features even though they are not closely _______________. 1) They are __________________________________________________________________________ __________________________________________________________________________________. 2) Unlike all other organisms, they lack _______________. B) Bacteria and the Environment 1) Bacteria play many _________________________________________________________________. (a) Some kinds of bacteria break down __________________________________________________ _______________________________________________________________________________. (b) Others recycle __________________________________________________________________. 2) Bacteria also many organisms to extract certain ____________________ from their food. II) Fungi A) A fungus is an organism whose __________________________________________________________. B) Fungi get their food by __________________________________________________________________ _____________________________________________________________________________________. C) Fungi play an important role in the environment by ____________________________________________ _____________________________________________________________________________________. 1) Some fungi cause _______________, such as athlete’s foot. 2) Other fungi add _______________ to food. 1 Name: ________________________________________ Block: _____ Date: _____/_____/_____ ENVIRONMENTAL SCIENCE III) Protists A) Protists are a diverse group of _____________________________________________________________ _____________________________________________________________________________________. B) Protists can be either _______________-like or __________-like; still others are more like ___________. 1) One-celled protists include _______________ and _______________. 2) Plantlike protists such as green pond __________ and _______________ are examples of algae. IV) Plants A) Plants are _____________________________________________________________________________ _____________________________________________________________________________________. 1) Leaves and roots are connected by ______________________________. 2) Vascular tissue is a system of __________________________________________________________. B) Lower Plants 1) The first land plants had no ___________________________________. 2) These early plants could not ___________________________________________________________ __________________________________________________________________________________. 2 Name: ________________________________________ Block: _____ Date: _____/_____/_____ ENVIRONMENTAL SCIENCE C) Gymnosperms 1) Gymnosperms are ___________________________________________________________________ __________________________________________________________________________________. 2) Gymnosperms are also called ____________________ because their seeds are inside cones. (a) Gymnosperms produce _______________ which protects and moves sperms between plants. (b) These plants also produce __________. (c) Much of our _______________ and __________ comes from gymnosperms. D) Angiosperms 1) Angiosperms are ___________________________________________________________________. (a) The flower is the _________________________ structure of the plant. (b) Most of the _________________________ comes from flowering plants. (c) Many ___________________________________ also come from flowering plants. V) Animals A) Animals cannot make ___________________________________________________________________. B) Animal cells have no cell walls so their bodies are _________ and ____________________. 3 Name: ________________________________________ Block: _____ Date: _____/_____/_____ ENVIRONMENTAL SCIENCE C) Invertebrates 1) Animals that lack ____________________ are called invertebrates. (a) Many invertebrates live attached to __________________________________________________ _______________________________________________________________________________. (b) Other invertebrates move actively ___________________________________________________. D) Vertebrates 1) Animals that have ____________________ are called vertebrates. (a) Most vertebrates live on __________, but _________________________ partially aquatic. (b) Other vertebrates include _______________, __________, and ____________________. 4