In the given couplet, which of the following rules on dichotomous key construction did it violate? 1a. Tree; leaves lanceolate, hairs absent; fruits round, glabrous, green.. T. pubisquamum 1b. Shrub; leaves ovate, hairs present; fruits subglobose, pubescent, red. . T. conoideum O None of the choices O Usually, the first character is positive, then the second character is negative O two leads of a couplet should be mutually exclusive O Avoid usage of vague statements

In the given couplet, which of the following rules on dichotomous key construction did it violate? 1a. Tree; leaves lanceolate, hairs absent; fruits round, glabrous, green.. T. pubisquamum 1b. Shrub; leaves ovate, hairs present; fruits subglobose, pubescent, red. . T. conoideum O None of the choices O Usually, the first character is positive, then the second character is negative O two leads of a couplet should be mutually exclusive O Avoid usage of vague statements

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter29: Life Cycles Of Flowering Plants

Section: Chapter Questions

Problem 15SQ: Match the terms with the most suitable description. ____ ovule a. pollen tube together with its...

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1Define the term "Seed" b Outline four (4) characteristics of a seed
Seed plants are. all homosporous mostly homosporous with some heteros porous mostly heteros porous with some homosporous all heterosporous
In flowrers, the structures that produce male gametophytes are called ______; the structures that produce female gametophytes are called _______. a. carpels; stamens b. pollen grains; flowers c. anthers; carpels d. megaspores; microspores
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Cotyledons develop as pan of ________. a. carpels b. accessory fruits c. embryo sporophytes d. flowers
Match the terms with the most suitable description. ____ ovule a. pollen tube together with its contents ____ receptacle b. consists of seven cells, one with two nuclei ____ double fertilization c. after fertilization, develops into a seed ____ anther d. embryonic shoot ____ plumule e. pollen sacs inside ____ mature female gametophyte f. swollen stem; base of flower ____ mature male gametophyte g. formation of zygote and first cell of endosperm
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Cycads are considered endangered species and their trade is severely restricted. Customs officials stop suspected smugglers, who claim that the plants in their possession are palm trees and not cycads. I-low would a botanist distinguish between the two types of plants?
Corn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces monosulcate pollen. It is most likely: a gymnosperm a monocot a eudicot a basal angiosperm
Is the seedling shown on the right a monocot or eudicot? How can you tell?
Theare collectively called the calyx sepals petals tepals stamens