A. create new species B. understand how organisms adapt to their environment C. destroy harmful organisms D. make all organisms look the same 相关知识点: 试题来源: 解析 B。科学家研究遗传变异是为了了解生物如何适应环境。遗传变异使得生物能够在不同的环境中生存和繁衍,通过研究遗传变异,科学家可以了解...
It is a natural process of animal species to become extinct (e.g. dinosaurs, dodos etc.). There is no reason why people should try to stop this from happening. Do you agree or disagree? Give reasons for your answer and include any relevant examples from your own knowledge or experience....
Biodiversity also has an important role to play in human society. Apart from being the most intelligent species on earth, human beings are also the most dependent. We depend on nature to meet our basic needs. When we change the balance of nature to create our cities ...
For this reason, some species use irregular migration patterns that constantly shift and adapt to new conditions. Wildebeests travel across the African plains in search of water to drink. When their regular water sources dry up, they head into the brush in search of grass and more water. ...
The world is changing fast, and evolution is not staying behind. The curious case of a new species of flower that evolved in the north isles of Scotland shows that evolution can create new species in a matter of years. The environment around us is changi
alldrawn tohooked ona kind of curation, motivated by reasons as diverse as their projects. They plant trees in public and private spaces both modest and expansive, nurturing their collections to honor beloved dead, attract wildlife, preserve rare species, connect to history, invest in the future...
# We are going to remove the Species variable in several ways to see how it works# The first method is to copy a dataset without choosing a particular columniris_copy<-iris[,1:4]str(iris_copy) ## 'data.frame': 150 obs. of 4 variables: ## $ Sepal.Length: num 5.1 4.9 4.7 4.6 ...
(3)Why have crop seeds been brought to space since the last century? CA.To study the impact of microgravity on crop growth.B.To figure out how to create an earth-like environment.C.To promote genetic changes and increase crop harvest.D.To develop new crop species ...
Like other species, we are the products of millions of years of adaptation. Now we're taking matters into our own hands.
what can we do? the first is to make laws to protect endangered species. one other useful thing is to create protective areas. it could create a safe environment for animals to live in. sending animals to the zoo is not the best choice, but better than have been killed. ...