Answer
b. homologous; analogous
Penguin Seals
homologous forelimbs structure of penguin and seals
Penguin Seals
analogous flippers structure of penguin and seals
Both ancestral birds and ancestral mammals shared a common ancestor that was terrestrial. Today, penguins (which...
Common dolphin Ichtyor Ichthyosaurs were aquatic dinosaurs. They had dorsal fins and flippers that, at least superficially, resemble dolphins, even though their closest common ancestors were terrestrial reptiles that had neither dorsal fins nor aquatic tails. (See figure at right) Titelů The members of lineages between the dolphins and ichthyosaurs do not have adaptations such as -streamlined bodies -long ased with teeth -Ins and hopers 4. Using terms and concepts from class explain why these organisms look so similar to...
Help with ALL please ASAP I will give you a good rating 13) Why are fossils considered to be an incomplete record of evolution A) The fossil record shows changes in kinds of organism that lived on earth B) The fossil record shows that many animals are extinct The fossil record is based for organisms that had hands and D) Fossils document how new organisms come from pre g o 14) What is true of the fossil record of mammalang...
All of the features below are features that characterize humans, though very few of them are unique to humans. Rather, most of them are present in our species because of our evolutionary history (they were present in an ancestral species at some point in time, and eventually passed on to us). For example, the bilateral symmetry that characterizes the human body plan is a feature that evolved in a primitive animal species that lived hundreds of millions of years ago;...
There are a total of 8 pages. If you click on the first picture, the others should pop up. Thank you! ul Bio220 - Diversity of Life HW 2: Phylogenetics First Some Review and Examples... There are several definitions that you will need to be familiar with in order to properly use and understand phylogenetic systematics. - Character: A heritable attribute of an organism. - Plesiomorphy: A primitive or ancestral character. This is a character that was inherited from a...