as u move down the levels of classification the number of classification the number of organisms in the level decrease or increase?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

What is the relation between concentration of reactants and the rate of chemical reaction?

Consider this initial-rate data at a certain temperature for the reaction described by