y 1111/2112 17.) If coho salmon, European smelts and Northern pikes all bel char
ID: 194062 • Letter: Y
Question
y 1111/2112 17.) If coho salmon, European smelts and Northern pikes all bel char, rainbow trout, and arctic grayling belong to the same family but to different genera, which of the followi rganisms would be expected to show the greatest degree of structural homology? ong to the same order, but different families and if arctic A) coho salmon and northern pikes B) European smelts and coho salmon C) European smelts and arctic grayling D) rainbow trout and arctic char an 18.) Dozens of potato varieties exist, differing from each other in tuber size, skin color, flower color, flesh color, and tuber shape. One might construct a classification of potatoes based upon these morphological traits. Which criticisms of this classification scheme would a cladist propose? A) Flesh color rather than skin color, is a valid trait to use for classification because it is less susceptible to change with tuber age. B) Flower color is a better classification criterion because below ground tubers can be influenced by soil minerals as much as by genetics. C) Potato texture and flavor of the flesh is better for classification because this is what humans are concernedd with for these plants. D) Genetic and evolutionary relatedness of potato varieties is the only biologically valid method to classify them 9.) Based on this tree below, which statement is correct? Salamander Lizard Goat Human A) The salamander lineage is a basal taxon. R) Salamanders are a sister group to the group containing only lizards.Explanation / Answer
Answer-
17) The following pairs A and B expected to show grater similarity
because A. Colo Salmon and Northen pikes are belongs to same order although they belong to different family
B. European smelt and Colo Salmon belongs to same order although different family
18)
C. Potoato texture and flavour of the flesh is better for classification because this is what human are concerned with for these plants.
As we know, Cladistics is an approach to biological classification in which organisms are categorized based on shared derived characteristics.
19)
A. Salamander lineage is a basal taxon
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