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Study Guide Answers

1.     A plant is a [unicellular/multicellular] organism.
2.     The waxy, waterproof coating of a plant is its ___________________________.
3.     The cell walls of plants are made of ______________________________, which provides _________________________ and _______________________________.
     cellulose/ shape/ support
4.     On Earth, plant life probably began where?
     in the planet's ancient oceans
5.     Because land plants did not live in watery environments, what did they develop in order to survive?
     roots to extract moisture from soil
6.     What does a plant make during the process of photosynthesis?
     It makes food for itself.
7.     What are "chloroplasts"?
     Chloroplasts are small green bodies in plant cells that contain chlorophyll, a green pigment that absorbs light energy from the sun.
8.     What does a plant's vascular tissue do?
     Vascular tissue transports nutrients.
9.     What are the two main types of vascular tissue in plants?
     xylem/ phloem
10.     What kind of vascular tissue carries carbohydrates?
11.     What kind of vascular tissue carries water and ions?
12.     What is it that allows land plants to grow tall?
     the vascular system that allows for the transport of nutrients
13.     What innovation is unique to vascular plants?
     the development of seeds
14.     Of what does a seed consist?
     an embryo and some stored food
15.     The life cycle of most plants alternates between _________________ stages. What are they?
     two/ the sporophyte generation/ the gametophyte generation
16.     The alternation of generations allows a plant to do what?
     reproduce and multiply
17.     What generation is dominant in most plants?
     the sporophyte generation
18.     Spores develop into the __________________________________ generation.
19.     What plants resemble mosses, and grow close to the ground?
     lycophytes (club mosses)
20.     ______________________________ are called "horsetails."
21.     ________________________________ are ferns.
22.     The leaves of ferns are __________________________, divided into leaflets called "_________________________________."
     fronds/ pinnae
23.     What vascular plants were the first to evolve leaves with branching veins?
24.     Pine trees and fir trees are _______________________________.
25.     Cycads bear seeds in _________________________.
26.     What tree is sacred in parts of Asia?
     Ginkgo biloba
27.     Where are most gnetophytes found?
     in deserts or on mountains
28.     Plants with needle-like or scale-like leaves are ____________________________.
29.     Most ____________________________ are evergreens.
30.     Trees that lose their leaves are _______________________________.
31.     Trees with no leaves cannot _________________________________ to get energy.
32.     Any tree that is not a conifer is a(n) _________________________________________.
33.     Any flower-producing plant is a(n) ___________________________________.
34.     A pollen-producing anther is part of the flower's ______________________________.
35.     The female flower's reproductive organ is its ______________________________.
36.     Pollen travels through the pollen tube to the ________________________.
37.     When you eat a fruit, you're eating a flower's fertilized and ripened __________________________.
38.     Plants take in carbon dioxide and release _______________________________.
39.     In an ecosystem, what is the foundation of the food chain?
40.     Carnivores eat _________________________, while herbivores eat ________________________.
     meat/ plants
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.