Not at all. As long as tree-kangaroos are in their native environment, there is nothing they contribute to the environment that is harmful. Their habitat is their niche, and when an animal is in its proper niche, there is an interdependence between the species and the environment.
no
some of them
No, but they are harmful to other animals, 1 of 2 animals who eat bat droppings get sick and usually die. Bat droppings have a rare content in them called 'Nahrulo' which humans can have in their system and not get sick, however, animals aren't as strong as humans and mostly die from the droppings.
yes and no it depends
No, it's a normal process for them.
they are not harmful to the environment
well if you have an allegy it will effect your aligey
fire is harmful to the environment because it is a kind of gas
The harmful effects of CARS to our environment is the carbon monoxide
If it is harmful it will not survive long
Argon is chemically inert. As such it does not have any harmful effect on the environment.
Absolutely! Mice and rat droppings can transmit Salmonella, tapeworms, jaundice, leptospirosis, Weil's Disease and other bacteria and viruses. You should remove any droppings found using gloves and then clean the area well using a disinfectant.