Ch. 21 Test Review Word Scramble
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Question | Answer |
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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