building on floodplains
Yes. Cells don't grow enough to account for the increase in size during a human being's life but they increase in number.
The major human activity which is a threat to wallabies is habitat clearing for the purpose of building or farming. Another human activity which has caused problems is the introduction of foreign species such as rabbits (which eat the wallabies' food) and fixes (which prey on joeys).
farming... we over do it....
It will rise. The temperature of the atmosphere is rising already because carbon dioxide is increasing due to human activity.
i think its the increase of population
rabbits usually irritate when human lock them into the cage or kill their babies
Cottontail rabbits prefer fragmented homogenous areas and are tolerant of human activity. They are prey to the fox, coyote, bobcat, weasel, dogs, cats, eagles, hawks and owls. See the related links for more information.
Clearing forests for agriculture is a human activity that will most likely increase the amount of soil erosion. Removing trees and vegetation exposes soil to the elements, leading to increased erosion from wind and water runoff.
by killing
Eutrophication
there are 100's of millions just in Australia so in the world there a tons of them. probably around 4 or 5 hundred million. there could be much more than that though. By: Nimingston Jamingsot