Organs are made up of ___. A. cells B. tissues C. organisms D. populations 相关知识点: 试题来源: 解析 B。器官是由组织构成的。选项 A“cells”是细胞,组织是由细胞组成的;选项 C“organisms”是生物体;选项 D“populations”是种群。反馈...
根据第五段 "Although modern taxonomists still use the hierarchical structure of Linnaeus's classification system as well as his method of grouping organisms according to observable similarities, they have added hierarchical levels and significantly changed Linnaeus's original groupings." 可知D项:现代...
slifeprocesses.Organismsthatobtaintheirenergydirectlyfromthesunarecalledautotrophsorsometimesproducers.Manyofthesetypesoforganismsareplantsandtheyobtaintheirenergythroughaprocessknownasphotosynthesis.Organismsthatcan’tgeneratetheirenergydirectlyfromthesunareknownasheterotrophsorconsumers.Theseorganismsmustconsumefoodorother...
All complex, multicellular organisms are similar in the fact that they are made up of many different types of cells that have specific roles and... Learn more about this topic: Multicellular Organisms | Definition, Pictures & Examples from ...
An organism may either be unicellular (single-celled) or be composed of, as in humans, many billions of cells grouped into specialized tissues and organs. The term multicellular (many-celled) describes any organism made up of more than one cell. The terms "organism" (Greek ὀργανι...
(i) Ernst Mayr, has been called "The Mendel of the20thcentury. (ii) All living organisms grow (iii) Unicellular organisms multiply by cell division (iv) Non-living object also exhibits metabolism How many statement is/are correct ?
Each fatal state is described as a combination of subsystem failures and the living organism is modelled as an ensemble of many subsystems. We do not specify exactly what these individual subsystems are, and it is likely they could be defined on multiple levels. At any time there is an ...
Aquaculture has emerged as one of the world’s fastest-growing food industries in recent years, helping food security and boosting global economic sta
Paragraph 2: Scientists do not know how many species share our world Each year 7000 tol0,000 new species are named. The total number of named species is currently around 1 .4 million. However, many scientists believe that 7 million to 10 million species may exist, and estimates range as...
A key feature of organisms, emphasized by the autonomy tradition, is that organisms maintain themselves. To do this, they rely on mechanisms. But mechanisms must be controlled so that they produce the phenomena for which they are responsible when and in the manner needed by the organism. To ...