If a species of parasite is to survive, the host organisms must live long enough for the parasite to (i)___; if the host species becomes (ii)___, so do its parasites. A. atrophy…healthy B. reproduce...extinct C. disappear…widespread D. succumb…nonviableE.mate…infertile 相关知识...
Taxonomy is a discipline of biology that focuses on classifying, organizing, and naming living organisms. Taxonomic classification schemes are hierarchical, ranging from the broadest category of kingdom to the narrowest, which is species. Answer...
根据第二段“A decades-old idea called kin selection can explain some of this: if organisms (生物) have enough DNA in common, then they can further their own selfish genes by helping one another.”(一个几十年前被称为“亲缘选择”的想法可以部分解释这一现象:如果生物体有足够多的共同DNA,那么...
If a species of parasite is to survive, the host organisms must live long enough for the parasite to (i)___; if the host species becomes (ii)___, so do its parasites. atrophy…healthy reproduce...extinct disappear…widespread succumb…nonviable
These variables affect different species of organisms in different ways, and should, therefore, yield a random pattern of extinction. However, the fossil record shows that extinction occurs in a surprisingly definite pattern, with many species vanishing at the same time. Which of the following, ...
Amensalism is an association between two species where : Text Solution Lichens are the associations of : Text Solution Which of the following is a partial root parasite ? Text Solution Which pne of the following organisms reproduces sexually only once in ... Text SolutionExams...
aA species is a group of organisms of the same type that are capable of interbreeding and producing fertile offspring. 种类是能混种和生产肥沃子孙的一个小组同一个类型有机体。[translate] a我的写真我的青春留印 正在翻译,请等待... [translate] ...
aThe inability to define a species or to find a unified species concept reflects the variety of reproductive systems and the dynamic state of biological material. If the term species is used to express memberships of organisms in a taxonomic rank, microbiologists must agree to some guidelines in...
Intraspecific competition occurs between individuals of the same species; interspecific competition occurs between members of different species. Resources in the environment are limited, so organisms living in the same area compete for ...
The specialized adaptation has great advantages, for it enables many organisms to survive under different conditions. It also has disadvantages, for it means that the life of most species is controlled by local conditions.Living things are not scattered(分散的)over the earth at random; most ...