Tagged Questions
3
votes
2answers
164 views
Difference between mice and rats
What is the actual biological difference between mice and rats? Are they actually the same thing with two different names depending on appearance (are they all mice for instance and we call the larger ...
3
votes
2answers
40 views
What do breeders call the effect when a breed resists modification?
It is impossible to breed a blue rose or a cat with a bulldog shape. This is because breeding is limited by gene variations in the population.
What do breeders call this effect?
UPDATE
I guess ...
3
votes
1answer
50 views
How does sex differentiation work in Paracerceis sculpta, the sexually tetramorphic isopod?
Paracerceis sculpta is a marine isopod species known for its unusual reproductive strategy:
female: medium-sized; lives in harems run by an α male
α male: large; keeps a harem of females
β male: ...
4
votes
3answers
752 views
Is the theory of evolution being disproved by bats?
For some species the Darwin's theory evolution makes perfect sense. I can easily imagine how, for example, the giraffe has evolved to its current appearance: the natural selection was favoring ...
20
votes
4answers
520 views
Why do men have nipples?
I'd be tempted to call nipples in men vestigial, but that suggests they have no modern function. They do have a function, of course, but only in women. So why do men (and all male mammals) have them?
...
11
votes
1answer
197 views
How do members of cryptic species know who to mate with?
According to Wikipedia:
In biology, a cryptic species complex is a group of species which
satisfy the biological definition of species—that is, they are
reproductively isolated from each ...
