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On 08/09/2011 07:11 AM, carmelo@pacific.net.sg wrote:John, there's a lot more to it than that... there are many different categories of heterotrophs which students have to distinguish and memorize.
Actually, physicists have defined heat as a process, but many explain
with "flow of heat", thus suggesting heat as a noun.
Many textbooks are also using heat as a noun.
Maybe biologists are laughing at physicists...
The whole discussion of mushrooms has been been good for a
laugh and not much else.
Biologists figured this one out many decades ago. They have
perfectly good terms for the following functional distinction:
-- green plant --> autotroph
-- mushroom --> heterotroph
These terms have been in use for 50 years that I know of, maybe
more.
As for the other terms that have been mentioned, a Venus fly
trap is both a carnivore and a predator. The questions about
this could have been answered by looking in a dictionary:
-- carnivore --> eats meat
-- predator --> catches prey
The roots of these words go back thousands of years.
The Venus fly trap is an ambush predator as surely as an ant
lion is.