1) The thin, porous skin of frogs and tadpoles makes them sensitive creatures. Through this skin, they absorb chemicals from the air and water. For this reason, frogs are good indicators of environmental damage.
If you hear lots of frogs in an area, it means that the local environment is likely to be unspoiled. However, in areas where water or air pollution has occurred, the local frog community will be affected and there are likely to be very few frogs. In some mining and industrial sites, surveys of frogs in the local area have been used to detect accidental pollution of waterways.
2) They eat insects.
2007-05-04 00:40:39
·
answer #1
·
answered by Anonymous
·
1⤊
0⤋
> Frogs eat lots of insects, and so do bats. Frogs
> are amphibians. Frogs and reptiles both eat
> lots of insects. It's a type of ecosystem.
> I think it's interesting that none of the other non-
> domestic(or wild) animals require anything from
> from humans. Long ago horses were wild. Other
> traditional pets, meaning dogs and cats, were all
> domesticated by man. Anything animals need from
> us now, is because of what people have done
> ourselves to the environment.
> from Wikipedia(without the arrows): natural environment.
The natural environment, commonly referred to simply as the environment, is a term that comprises all living and non-living things that occur naturally on Earth or some part of it (e.g. the natural environment in the United States). This term includes a few key components:
Complete landscape units that function as natural systems without massive human intervention, including all plants, animals, rocks, etc. and natural phenomena that occur within their boundaries.
Universal natural resources and phenomena that lack clear-cut boundaries, such as air, water and climate.
Natural features which occur within areas heavily influenced by man (such as wild birds in urban gardens).
The natural environment is contrasted with the built environment, which comprises the areas and components that are heavily influenced by man. A geographical area is regarded as a natural environment (with an indefinite article), if the human impact on it is kept under a certain limited level (similar to section 1 above). This level depends on the specific context, and changes in different areas and contexts. The term wilderness, on the other hand, refers to areas without any human intervention whatsoever (or almost so).
;',.';
2007-05-04 00:51:22
·
answer #2
·
answered by Anonymous
·
0⤊
0⤋
If you got frog you have a safe environment, I heard some where. I have frogs every where around my place.
2007-05-04 00:38:57
·
answer #3
·
answered by MJane21 5
·
0⤊
0⤋
To BE frogs and do froggy things.
2007-05-04 00:48:14
·
answer #4
·
answered by BotanyDave 5
·
0⤊
0⤋
they eat bugs, there used as a biology experiment, there music to the trailor parks ears...just to name a few
2007-05-04 00:43:56
·
answer #5
·
answered by edmoney 2
·
0⤊
0⤋
They eat flies silly!
2007-05-04 00:38:08
·
answer #6
·
answered by cotton 2
·
0⤊
0⤋
insects eater, it stops the insects from annoying us.
2007-05-04 00:56:41
·
answer #7
·
answered by Anonymous
·
0⤊
0⤋