(A physical examination of the cats siblings) because you cant check its kittens, because there could be a dominant phenotype that caused them to have short tails. A physical examination of the cat wouldn't help either.
Answer:
The major sources of evidence of evolution are: Anatomy, Molecular Biology, Biogeography, Fossils, and Direct observation.
Explanation:
<span>Polydactyly in its most common form, is an autosomal dominant mutation. Let's represent the mutation as P and the normal state as +. Thus, if both parents are heterozygous (P+), both would have the mutation (and thus have six fingered). They have 3/4 chances of having a child with the extra digit, 1/4 normal. </span>
The energy that the hawk has taken isn't enough for another animal to get any benefit therefore the pyramid has a limitation.