首页
登录
职称英语
Observe the dilemma of the fungus: it is a plant, but it possesses no chloro
Observe the dilemma of the fungus: it is a plant, but it possesses no chloro
游客
2025-04-25
8
管理
问题
Observe the dilemma of the fungus: it is a plant, but it possesses no chlorophyl. While all other plants put the sun’s energy to work for them combining the nutrients of ground and air into body structure, the chlorophylless fungus must look elsewhere for an energy supply. It finds it in those other plants which, having received their energy free from the sun, relinquish it at some point in their cycle either to other animals (like us humans) or to fungi.
In this search for energy the fungus has become the earth’s major source of rot and decay. Wherever you see mold forming on a piece of bread, or a pile of leaves turning to compost, or a blown-down tree becoming pulp on the ground, you are watching a fungus eating. Without fungus action the earth would be piled high with the dead plant life of past centuries. In fact, certain plants which contain resins that are toxic to fungi will last indefinitely. Specimens of the redwood, for instance, can still be found resting on the forest floor centuries after having been blown down. [br] The author uses the word "dilemma" to indicate that ______.
选项
A、the fungus is both helpful and harmful in its effects
B、no one understands how a fungus lives
C、fungi are not really plants
D、the fungus seems to have its own biological laws
答案
D
解析
作者用dilemma(困境)这个词表明真菌类植物似乎有其自身的生物学规律。本文第一段说,观察一下真菌类植物的困境,它是植物,却没有叶绿素,它要到其他的植物那儿获取能量,这实质上是真菌类植物自身的生物学规律。
转载请注明原文地址:https://tihaiku.com/zcyy/4053512.html
相关试题推荐
Thetherapistlistensto,observesandofferstheclientherorhis______unders
Watchababybetweensixandninemonthsold,andyouwillobservethebasic
Watchababybetweensixandninemonthsold,andyouwillobservethebasic
Watchababybetweensixandninemonthsold,andyouwillobservethebasic
Watchababybetweensixandninemonthsold,andyouwillobservethebasic
Watchababybetweensixandninemonthsold,andyouwillobservethebasic
IhaveobservedthattheAmericansshowalessdecidedtasteforgeneralide
IhaveobservedthattheAmericansshowalessdecidedtasteforgeneralide
Theproblem______seriousmoralandethicaldilemmasmuchmoreworthyofconsid
Observethedilemmaofthefungus:itisaplant,butitpossessesnochloro
随机试题
Economicdevelopmentdependsontheextractionofnaturalresourcesandonl
【1】[br]【3】[originaltext]Itisatimewornsignofoldageandfrailty.Yet
【S1】[br]【S7】G从语法结构上看,应该填入动词的过去分词与are构成被动语态,形式上符合的有introduced和involved。从搭配上看,所填
宏大叙事舞蹈都是直接阐述国家主题的。()
在局部兴奋中,不应期不明显的原因是A.激活的钠离子通道数量少,失活也少 B.与
A.滴虫性阴道炎 B.真菌性阴道炎 C.老年性阴道炎 D.幼年性阴道炎
Thechangeinthatvillagewasmiraculou
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性: A.如
根据城市经济学的原理,造成城市均衡规模大于最佳规模的原因是()。A.集聚效
教育心理学的研究对象是()。 A.学与教的心理规律 B.学与教的心理
最新回复
(
0
)