Biology, 25.03.2021 23:50 keshaayro8566
The wing of a bird and the front limb of a mammal have a similar number and arrangement of bones. Which evolutionary relationship explains these similarities? A. The wing and front limb are homologous structures; each evolved from a common ancestor. B. The wing and front limb are analogous structures; each evolved from a common ancestor. C. The wing and front limb are analogous structures; each evolved independently. D. The wing and front limb are vestigial structures; one evolved from the other.
Answers: 1
Biology, 22.06.2019 07:50, Amholloway13
Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers
Answers: 3
Biology, 22.06.2019 09:00, magicpuppydance
Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs
Answers: 2
The wing of a bird and the front limb of a mammal have a similar number and arrangement of bones. Wh...