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Terrestrial

Definition

adjective

Of, pertaining to, or corresponding to land (on earth), as opposed to water and air


Supplement

The term terrestrial in biology is generally used to describe living organisms that live and grow on land. Living things that make use of nature as their habitat may be grouped based on where they live, grow and reproduce. Living things that spend most of their life on land are called terrestrial. This is in contrast to living things that live on water (called aquatic) and those that are not growing in the ground (called aerial or epiphytic, especially of plants). There is another distinct group of living things that live both on land and in water and they are referred to as amphibious. As for the type of habitat, the term terrestrial may also be used. Land as a habitat is called a terrestrial habitat to distinguish from water that is called aquatic habitat. A terrestrial habitat would therefore indicate the habitat specifically for terrestrial living things whereas an aquatic habitat pertains to the various shelters of aquatic living things in different water forms.


Word origin: Latin terrestri (s) pertaining to earth, from terra (earth) + -al

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Re: Could there be extra-terrestrial life?

Sorry the irony went by you. Guess no thong underwear either? Sorry Jorgelobo. Of course I knew you were joking. And sadly probably very few thongs. Sexual reproduction is quite a departure from the earlier asexual.

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by animartco
Sat Apr 28, 2012 11:54 am
 
Forum: Ecology
Topic: Could there be extra-terrestrial life?
Replies: 12
Views: 9022

Re: Could there be extra-terrestrial life?

Sorry the irony went by you. Guess no thong underwear either?

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by JorgeLobo
Sun Apr 22, 2012 11:12 am
 
Forum: Ecology
Topic: Could there be extra-terrestrial life?
Replies: 12
Views: 9022

Green mammals

... they are in trees they cling to branches for support, not leaves as arthropods might. This might also explain why smaller arboreal mammals, even terrestrial mammals that might inhabit grass do not have a green pigment- they are not often associated with leaves, as they gather food from the support ...

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by cyanodave
Fri Mar 30, 2012 12:33 am
 
Forum: Zoology Discussion
Topic: Green mammals
Replies: 11
Views: 16268

Mean corpuscular volume differences

... various mammals. My question, why does the MCV vary between species of mammal? Whales tend to the highest MCV, but there appear to be quite a few terrestrial animals with higher MCVs.

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by poiknik
Sun Feb 26, 2012 1:44 am
 
Forum: Zoology Discussion
Topic: Mean corpuscular volume differences
Replies: 1
Views: 1683

Could there be extra-terrestrial life?

I believe yes. The Earth life can survive lots of conditions, and the extra-terrestrial life can be even different. New candidate planets are discovered almost every month, so in my opinion probability of some simple life is very high. However, it quickly decreases ...

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by JackBean
Thu Dec 08, 2011 9:20 am
 
Forum: Ecology
Topic: Could there be extra-terrestrial life?
Replies: 12
Views: 9022
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