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seen Feb 14 at 18:01

Jan
29
comment Is it possible to create an experiment in house conditions to prove the existence of germs?
@biogirllajja, what you describe is an experiment on best environment for fungi growth, what I'm looking for is to take 2 (or more) exact environments and show that by introducing bacteria to one of them I create a difference. A wet and hot bread is not the same environment as a refrigerated bread.
Jan
29
comment Is it possible to create an experiment in house conditions to prove the existence of germs?
@biogirllajja, what is the control group? how do I prove that those are microorganism and not just a property of the bread?
Jan
29
comment Is it possible to create an experiment in house conditions to prove the existence of germs?
I have access to normal stores and the internet. If it's something that can be bought in a "normal" store or on-line without getting me to trouble, then I have access to it.
Nov
30
comment Are these cats calico?
@skymninge, are tabby cats considered to be Calicos, and can they be of both genders?
Nov
28
comment Are these cats calico?
The relation to female was only through Calico cats. I don't really care about their gender.
Aug
29
comment What hair color will result in someone inheriting both blond and ginger genes?
Thanks. just 1 last question. What is the meaning of the stars on the figure?
Aug
28
comment What hair color will result in someone inheriting both blond and ginger genes?
I don't have access to the paper. And I doubt that I have the knowledge to understand it. Could you please explain shortly how hair (and eye) color is determined.
Jul
8
comment Does evolution destroy functional sequences much faster than it creates them in any large-genome animal with low reproductive rates?
This belong on Biology.SE
Apr
7
comment Is it possible to make bacteria vulnerable to antibiotics it's resistant to?
This question doesn't have any claim associated with it, but rather wants to know if a certain biological process is possible, I think that because of it this question should be on Biology.SE and not here..
Apr
6
comment Do egg laying animals experience a pregnancy?
So your answer is that the animal doesn't feel any serious change between laying a fertilized and an unfertilized egg?
Feb
12
comment Is there an “Adam and Eve” for each new trait during (not just human) evolution?
@MCM, I hope it's clearer now
Feb
12
comment Is there an “Adam and Eve” for each new trait during (not just human) evolution?
I'm not talking about speciation here, like the question you reference to, but about new mutation/features. I'm aware that the first dinosaur with feathers is still a dinosaur, and the first fish with lungs is still a fish, the question is, was there only 1 first fish with lungs, who's the ancestor of all creatures with lungs, or were there several fish that all developed lungs independently, and then interbred between themselves to produce all lunged creatures, but there is no 1 specific ancestors to all, but several different individual ancestors.
Aug
8
comment Do egg laying animals experience a pregnancy?
@shigeta, in guess that this means that a full answer will need to touch on both types. For example what happens to a sparrow or a salmon that doesn't mate on its season, and as asked before is there a difference between laying a fertile and an infertile egg from the POV of the chicken/ant.
Jul
31
comment Why does the gender of the parent species determines the species of a hybrid offspring
@nico, maybe I'm using the word "species" wrong, I use it in its layman definition, as "different types of animals". The meaning is, as I said, that significantly different animals are born from the same parent animals, and that the change is consistent with the gender of the different parent animals. If you can think of a better term than "specie" please edit the question to bee more accurate.
Jul
31
comment Why does the gender of the parent species determines the species of a hybrid offspring
@KonradRudolph, but species are not defined just for the fun of it (I guess, I don't really know), they are defined because there are significant differences between two animals, and in the case of those two interbreeding, those differences are consistent with the gender of the parent species. In other cases, like the different types of Zebroids (Zebra and donkey/horse/pony hybrid) that doesn't seem to be differentiated by parent species gender. (en.wikipedia.org/wiki/Zebroid)
Jul
30
comment Do egg laying animals experience a pregnancy?
@jonsca, yes it's.
Jul
30
comment Do egg laying animals experience a pregnancy?
@jonsca, jello, "deferentially" was a typo, the hour was late and I was tired. "Pregnancy like period" - a period of time, when the animal will fill/act differently than every-day, or have changes to her body that are do not happen unless she is going to lay a fertile egg.
Apr
4
comment Will the “frog in boiling water not jumping out” work on warm blooded animals
My question regards the affect of gradual temperature change on warm blooded animals. The frog adjusts fairly easily (at start) to the temperature change fairly easy and can adjust its body temperature to that of the water so that it'll fill comfortable. Warm blooded animals can't change the temperature of their body, but have other mechanisms of coping with temperature difference. So will a worm bodied animal will sit in the water and adjust it self with the gradual change, or will it just say at one point or will it get more and more uncomfortable until it'll get out?
Apr
4
comment Will the “frog in boiling water not jumping out” work on warm blooded animals
The frog part is true. According to Wikipedia:"An 1872 experiment by Heinzmann demonstrated that a normal frog would not attempt to escape if the water was heated slowly enough" and later it states that if water are heated at a rate of 1.1 C degrees per minute or faster frogs will jump out, which infers that if heated slower they will not jump. references are given in the Wikipedia article (en.wikipedia.org/wiki/Boiling_frog)
Mar
29
comment Species with reproduction barriers that can both reproduce with a third species
What I was explained is that a physiological barrier that prevents mating only physically (such as a different mating song or different flowers upon which to mate), but still allows artificial insemination also counts as a reproductive barrier.