Animal black

I'm stuck on a homework problem and can't find anywhere to help me with setting it up.. In a herd of 200 cows, 140 are black and 60 are red. What is the probability of a black cow??

See entire post

I was in an animal behaviour lecture the other day, and there was a discussion about prey crypsis and ... do but this is not the case.It was suggested that is because most predators see in black and white and I was wondering if anyone had any other suggestions.

See entire post

... as explained above, does not hold up to reason. While the facts in black are observably true, the claims in red make sense given the facts presented ... barbed and non-barbed reproductive systems, how could a species of animal with barbed penises have ultimately evolved from a previous ancestor ...

See entire post

... that I normally would not have shot but it was clearly an injured/sick animal so I put it out of its misery. Upon examining the body I saw something ... in clumps around the wounds. The bare spots where hair was missing was black when it should have been brown. Where there was still hair around ...

See entire post

... way of knowing exactly what I had, you can be assured that it was not black spider mites (scabies) or Morgellons (delusions). Which is how 3 seperate ... parasite. Also, I would guess that since it is an insect, this animal goes through several stages of development and when it is adult it ...

See entire post