How would the local ecology be affected if pandas were to go extinct? What happens when human change the earth's surface by clearing forests or overgrazing land? Explain briefly. Ecology: What would happen if all of us turn into vegetarians? How is it going to affect the environment and...
How would the local ecology be affected if pandas were to go extinct? Elaborate and explain why Kim Marie Orchid became extinct in the wild. What were the various causes attributed to the Rwanda genocide? a) Overpopulation b) Political Factors c) Racism d) All of the above ...
Systems (the interdependency of life and its environment): Explain the concept of a food web and what happens if one species disappears; explain what factors contribute to changes in the size of populations; explain what biodiversity ...
to be true tool use, including giant pandas, a lion, American badgers, and two species of bear, in addition to the well-known case of sea otters using stones to open clam shells (Hall & Schaller,1964). A further experimental report on tool use in brown bears has appeared since that re...
By contrast, convergent evolution happens when species start out distinct and then grow more similar. For instance, imagine you were to dump an assortment of parrots and toucans onto the same island. Individuals with beaks that were inefficient for snagging bugs might go hungry and die without ...
Kinsley said he hoped public health officials and researchers will look to see if having had children protects a woman from Alzheimer’s and other forms of age-related brain decline. "When people think about pregnancy, they think about what happens to babies and the mother from the neck down...
. We’re dissecting a 46kg male Snow Leopard (Panthera uncia) as the first “data point” (actually several hundred data points, but anyway, first individual) in our study of how limb and back muscles change with size in felids. No April Fools’ pranks here; real science-as-it-happens...
Physicists have known about the technique for a long time.Sound is make up of pressure waves in the air.If two sound waves of the same frequency(频率)mix so that the highest point of one wave happens at the same time with the lowest point of the other wave, the result is no sound....
I only ask that you do a similar favor in the futrue for a stranger who happens to cross your path. Yours A Sentimental Stranger 1.Why did Sally feel sad when she came to the old house? [ ] A.Because her grandma had died. B.Because her family were in heavy debts. C.Because she...
The dogs were thus selecting between known actions on the basis of the human demonstrator’s behavior, and it is not necessarily the case that they recognized the similarity between the demonstrator’s behavior and their own. The important question is what happens when wholly novel responses are ...