第一个非生物因素,就是自然影响比如声光电等等.第二个生物因素,就是人和其它生物的影响,比如人的活动,动物吃草,植物生长等等.
在干旱生态系统中,仙人掌(cactus)和骆驼(camel)都是生物(biotic factor),它们都需要水来生存,所以可能会互相竞争水源。选项B岩石(rock)和沙子(sand)都是非生物,不会有争夺水源的生物行为。选项C阳光(sunlight)和云(cloud)是非生物,不存在生物间争夺水源的情况。选项D风(wind)和空气(air)也是非生物,与生物争夺...
Name one antiphagocytic factor and explain how it works. What are the different blood types and what makes them universal? What are all the blood types? What makes them universal? How are they different from one another? Explain group selection. What are some examples?
What is an biotic factor? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 第一个非生物因素,就是自然影响比如声光电等等.第二个生物因素,就是人和其它生物的影响,比如人的活动,动物吃草,植物生长等等. 解析看不懂?免费查看同类题视频解析查看解答 更多答案(3)...
Explain and use examples of how biotic factors may affect natural selection. Which is more important for the survival of the fittest, natural selection or genetic mutation? What does the environment (at different scales) have to do with evolution and natural selection?
Four density-dependent factors include the following examples: (1) Diseases are density-dependent factors that slow population growth by increasing death rates within the population through the spread of a pathogen. (2) Parasitism is a density-dependent factor that slows population growth by increa...
with a question or otherwise first define, introduce the meaning, or describe the subject matter being reviewed. Further elaboration is then made, usually with examples. Where appropriate, comparative information are provided on other related terms or on the same term in other application for ...
Environmental stress Environmental stresses have been found as important factors asso- ciated to the TEs' mobilization; experiments on this matter are summarized in Table 2. Abiotic (irradiation, temperature) and biotic (culture tissues or infections by viruses or pathogens) stresses awakened quiescent...
What are biotic factors? What is an intrinsic factor? Does a person's genetics affect their height? What other factors can affect height? What factors affect the rooting of stem-cuttings? What would be the dependent and the independent variable? What are the two positive components that contrib...
For example, predators are a limiting factor for prey animals because predators reduce or limit the prey animal population.Answer and Explanation: Biotic potential describes how quickly a species reproduces when it's not limited by the environment, meaning limiting factors are not an issue. When....