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Ch. 21 Test Review

Biology: Introduction to Plants

QuestionAnswer
Plants with seeds can produce those seeds by cones or... Flowers
Plants can be divided first on the presence of ___. Tissues
A(n) _____ for plants includes a haploid gametophyte generation and a diploid sporophyte generation. Alternation of generations
The ___ generation produces eggs and sperm. Gametophyte
The ___ generation arises from the union of sperm and egg and produces spores that can become the next generation. Sporophyte
Moss is in the division.... Bryophyta
Liverwort is in the division... Hepaticophyta
Mosses and liverworts have root-like ___ that anchor them to the soil. Rhizoids
Liverworts are the most ___ of land plants. Primitive
Liverworts are classified as either ___ or leafy. Thallose
Includes club or spike mosses... Lycophyta
Includes ferns and horsetails.... Pterophyta
Fern spores form in a __... Sporangium
Organism (protist) believed to be an ancestor of lands plants... Algae
Structure which protects the developing embryo of a beech tree... Seed
Division which includes daisies... Anthophyta
Division which includes the white pine tree... Coniferophyta
Land plants appeared approximately ___ mya. Four hundred
A Major obstacle for plants to overcome in order to live on land was obtaining enough ___... Water
Structure which contains clusters of sporangia... Sorus
Unlike true mosses, the ___ generation of lycophytes is the dominant generation. Sporophyte
Limits competition with parent plants and other offspring... Seed dispersal
Spores are (haploid/diploid)... Haploid
Half the number of chromosomes within a developed adult... Haploid
Plant that lives anchored to another plant or object... Epiphyte
Spore bearing structures that form a compact cluster... Strobilus
Enable gas exchange in plants... Stomata
Grows/develops and then dies within two growing seasons... Biennial plants
Any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms... Limiting factor
Waxy layer on the surface of plants that is an adaptation to land... Cuticle
Individual who studies plant life... Botanist
Relationship in which two organisms live together in a close association... Symbiosis
Plants that complete their life cycle in one growing season... Annual plants
Gym. with cones containing reprod. structures, male and female, but on different plants; large divided leaves, tropics and subtropics... Cyadophyta
Gym, Tropical trees and climbing vines, source of ephedrine Gnetophyta
Gym., one living species left, fan shaped leaves, thrive in smog filled and polluted areas... Ginkgophyta
Gym, shrubs to huge trees, used for lumber, adapted to many environments, deciduous and evergreens... Coniferophyta
Flower plants Anthophyta
Provides nutrients for the see when it sprouts... Cotyledon
Transport tissue... Vascular tissue
Adaptations to ___ on Earth contributed to the evolution of plants... Environmental changes
The ____ protects the embryo- the new sporophyte generation... Seed coat
Most immediately noticeable... Dominant
Lack specialized transport tissues... Nonvascular plants
The __ plant divisions are placed into two groups - vascular and nonvascular... Twelve
Nonvascular plants are small and usually grow in ___ environments... Damp
Having a juicy or pulpy texture... Fleshy
Reproductive haploid cell with a hard outer coat... Spore
Inherited characteristic that results from response to an environmental factor... Adaptation
An individual who is involved in one or more aspects of converting wood to wood products... Wood scientist
Plants that can live for several years and usually produce flowers and seeds yearly... Perennial plants
Created by: SavannahElkins
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