Type of branching exhibited by the first ancestors of plants as observed in the fossils A. Unequal branching B. Dichotomous Branching C. Multi-branching D. Band C E. None of the above Plant adaptive structures for terrestrialization are as follows except: A. Development of Anchoring mechanisms B. Formation of transport mechanisms C. Formation of a protective covering from desiccation D. Formation of many tracheids and phloem E. None of the above

Type of branching exhibited by the first ancestors of plants as observed in the fossils A. Unequal branching B. Dichotomous Branching C. Multi-branching D. Band C E. None of the above Plant adaptive structures for terrestrialization are as follows except: A. Development of Anchoring mechanisms B. Formation of transport mechanisms C. Formation of a protective covering from desiccation D. Formation of many tracheids and phloem E. None of the above

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter27: Seedless Plants

Section: Chapter Questions

Problem 2TYU: Which of the following is not a characteristic of plants? (a) cuticle (b) unicellular gametangia (c)...

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Microphylls a. have a single strand of vascular tissue. b. evolved before megaphylls. c. evolved as extensions of the stem. d. are found in lycophytes. e. All of these are correct.
In mosses, the leaves are very primitive because: O a. The leaves do not carry out photosynthesis. O b. The leaves arise directly from the roots without any stem. O c. The leaves are tubular, rather than flat. O d. All the cells are identical to each other. The leaves are only found in the sporophyte. Oe.
Some ancestral plants had a difficult transition to land, as challenges to survive caused plant evolution to develop very specialized adaptations over an extended amount of time. These are some of the challenges that plants faced: A. Avoiding desiccation B. Supporting larger bodies (against gravity) C Internally transporting substances D. Keeping gametes wet E. Keeping embryos wet For each of the above challenges. provide a structure/adaptation that plants have developed which mitigates that specific challenge. Must describe a structure or trait for all!
One evident apomorphy evolved in vascular plants is the establishment of true leaves which is characterized by the incorporation of the vascular system. Select one: True False The calyptra in mosses generally function in the regulation of gas exchange and water uptake. Select one: True False Elaters are non-sporogenous cells with spiral wall thickenings and is mainly for spore dispersal of liverworts. Select one: O True False
Over the course of plant evolution, there has been an increasing dominance ofa. the gametophyte generation.b. C4 photosynthesis.c. angiosperms.d. the sporophyte generation.
Which of the following is NOT a similarity between land plants andgreen algae?a. Photosynthesisb. Starch as a storage form of energyc. Cellulose cell wallsd. The presence of a cuticle and stomata
The extinct plant Rhynia is important because: Select one:a. they are the only known lineage of land plant to lack a cuticleb. they are some of the earliest evidence of the evolution of lignified xylemc. they occured in huge numbers and formed the coal deposits human use todayd. it is the earliest known Hornwort fossile. it shows the earliest evidence of secondary thickening in land plants
Which of the following is present in all land plants?a. Wind-blown spermb. A seed coat that prevents embryos from drying outc. Vessels that transport water and nutrients throughout the plantd. None of the above are present in all land plants.
Green plants differ from the algal Charophycea in: O a. Green plants use phragmoplasts. Ob. Green plants do not have growth throughout the whole length of the stem. O C. Green plants have vascular tissue. d. Green plants have seeds. O e. Green plants do not have asexual reproduction. BIOL2102_derekmr here to search DELL
Seeds are better for dispersal than spores because: They have bigger reserves of food. O a. O b. They produce a gametophyte. O c. They can resist dehydration. O d. They are diploid. O e. They do not depend on water.
What feature of vascular plants contributes to their ability to maintainrelatively stable internal water content?a. a waxy surface cuticleb. an extensive root system that mines water from soilc. specialized water-conducting tracheary elements composed of deadcellsd. epidermal pores that open and closee. All of the above are contributing features
Which of these is found in seed plants?a. complex vascular tissueb. pollen grains that are not flagellatedc. retention of female gametophyte within the ovuled. roots, stems, and leavese. All of these are correct.