Search found 125 matches

by animartco
Tue Nov 19, 2013 1:16 pm
Forum: Ecology
Topic: The influence of area on the number of species
Replies: 7
Views: 15764

Re:

JackBean wrote:really? So when going from x m2 with y species to 10x m2 with 2y, it's different than when going from 10x m2 to x m2?

I don't do maths, but using logic instead, it seems that if you only get double the number by muliplying by ten, when dividing by ten you would get a catastrophic drop.
by animartco
Tue Nov 19, 2013 12:58 pm
Forum: Zoology Discussion
Topic: strange beetle
Replies: 4
Views: 4743

Re:

Maybe a Curculionidae? Like, for example, something like this? m Wow dgm! Sorry for the delay. Been busy. The body and legs are right, but the one in the picture looks more like a horn than proboscis, and I would have noticed the two lower prongs. Surely that isn't a British species? I saw one on t...
by animartco
Sat Sep 07, 2013 5:16 pm
Forum: Genetics
Topic: single bacterium
Replies: 4
Views: 3055

Re: single bacterium

Is it possible that some colonies are derived directly from more than a single bacterium (that is a single cell not strain) taken from the liquid culture? State why Should the question really be is it possible to get a viable colony from a SINGLE bacterium? That would appear to me to be a more sens...
by animartco
Sat Sep 07, 2013 5:05 pm
Forum: Zoology Discussion
Topic: Caterpillar identification
Replies: 1
Views: 2328

Interesting looking caterpillar. It could grow quite big. If you just put it outside it probably would never reach its food plant. You could try going round all the plants that you would have brushed against and picking a tiny bit of leaf off each and then give them to him and see which one he goes ...
by animartco
Sat Sep 07, 2013 4:08 pm
Forum: Ecology
Topic: Why Forest Are Necessary?
Replies: 7
Views: 16094

Am I right in saying that per square mile forests give out considerably more oxygen (anyone know how much more?) than any other surface area. This is because of the depth of the vegetation actively photosynthesizing. Light falls off rapidly in water so oxygen production in the sea cannot go very dee...
by animartco
Sat Sep 07, 2013 3:47 pm
Forum: Ecology
Topic: Energy; respiration and photosynthesis
Replies: 7
Views: 18714

Putting it simply every movement we make expends energy which Leaves our system. i.e. is lost. We replace it by eating. The same thing is happening in an entire ecosystem. WE know how the ecosystem replaces that energy, but there is the question of what happens to the expended energy that is lost. I...
by animartco
Sat Sep 07, 2013 3:27 pm
Forum: Off Topic Discussion
Topic: Human population control
Replies: 7
Views: 14818

WE don't know why they do it. The current explanation is that they want more of their own genes rather than someone else's to carry on to the next generation. Perhaps we give them that motivation because it is our own motivation for war. (the genes of the tribe rather than the individual) But there ...
by animartco
Sat Sep 07, 2013 3:15 pm
Forum: Evolution
Topic: Evolution or De-evolution?
Replies: 52
Views: 83542

Re: Evolution or De-evolution?

It hasn't because we prevented it from doing so. I don't think that many domestic dog or cat breeds would be able to survive long in abscence of humans... But getting back to my original question: evolution or de-evolution? Are we moving toward perfection or away from it? What do you think? Cat, I ...
by animartco
Sat Sep 07, 2013 2:41 pm
Forum: Zoology Discussion
Topic: Does the thylacine still live?
Replies: 4
Views: 8738

Perhaps if we exterminated all the non native species in remote parts of Tasmania or the mainland it might reappear, but what the hunting didn't accomplish the competition with non native predators most probably has.
by animartco
Sat Sep 07, 2013 2:22 pm
Forum: Zoology Discussion
Topic: Help with old, heavy bone id
Replies: 7
Views: 6138

Whoops so it was a vertibra. Do they still have bison in Iowa? It could still be a fossil...just. Unusual bone anyway!
by animartco
Sat Sep 07, 2013 2:16 pm
Forum: General Discussion
Topic: Human or Animal
Replies: 5
Views: 4394

Re: Human or Animal

I found it in the ground metal detecting. It was with a lot of broking bottles. May have been a privy dump. I thought it would be animal because of the signs of a privy but when I looked online at bones it looks more human. I would like to bring it to the police to make sure but the town I live in ...
by animartco
Sat Aug 31, 2013 2:54 pm
Forum: General Discussion
Topic: oxygen "grabbers" haemoglobin adaptation?
Replies: 7
Views: 12452

Re: oxygen "grabbers" haemoglobin adaptation?

To a Chemical Engineer like me (retired) the term "oxygen grabber" can mean chemicals like hemoglobin, or wet iron used to remove atmospheric oxygen in lab work, or even the presence of such materials in the workplace which may pose an industrial hazard (like the inside of a rusting steel...