What is the difference between derived and ancestral and what are the examples?

Q: How are shared ancestral characters and shared derived characters different? How is the concept of…

A: Homology is defined by  "the relationship between two organs of common descent, which therefore have…

Q: Why is it necessary to distinguish homology from analogy to infer phylogeny?

A: Evolution is change in the heritable attributes of organic populaces over progressive ages. These…

Q: Do you think that the term “closest evolutionary relationship” and “most common ancestor” are alike?…

A: Evolutionary relationships among different organisms are studied using phylogenetic trees and this…

Q: What is the function of including an outgroup in this phylogeny? After all, the point of the…

A: An outgroup is a lineage that falls outside the clade being studied but is closely related to that…

Q: Why do scientists favor the clade in which derived traits evolve the fewest times?

A: Clade refers to the natural group of organisms that shows monophyletic evolution, which means they…

Q: Best on the phylogenetic tree shown here, which organisms are most closely related to dinosaurs and…

A: The phylogenetic tree helps to identify evolutionary relationships among various organisms.  The…

Q: 1. Circle in one colour 3 examples of clades. Circle in another colour 3 examples that are NOT…

A: Since you've asked multiple questions, we are answering the first three questions for you. If you…

Q: How do scientists infer common lineages of different organisms based on their structures?

A: Common lineages/descent It is a term within Evolutionary biology which refers to the common ancestry…

Q: What is the difference between a cladogram and a phylogenetic tree?

A: There are two main components of nature- organisms and the environment. The branch of biology that…

Q: What is meant by the term “common ancestor”? Give an example.

A: Evolution is the change in the genetic makeup of population over time.  Evolution can be categorized…

Q: How does a phylogenetic tree indicate the evolutionary relatedness of species?

A: In evolutionary studies, the phylogenetic tree refers to the hypotheses that represent the…

Q: How many clades are represented in Figure 20?

A: Clade  A clade is a graphic representation of group of organisms that includes it's ancestor as well…

Q: When building a phylogenetic tree, where do you place a number used to designate a change in…

A: A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary…

Q: Why is it so important for scientists to distinguish between homologous and analogous…

A: Phylogenetic tree is the pictorial representation of evolution of organisms from a common ancestor.…

Q: What is cladistics and why is it significant?

A: Taxonomy is the science of classification of organisms on the basis of their morphology, anatomy,…

Q: Why don’t shared ancestral characters provide evidence for relationships between organisms within a…

A: A clade is defined as a monophyletic taxon, that is, a group that will consist of all descendants…

Q: What sorts of evidence do biologists use in a cladistics analysis?

A: A cladogram or phylogenetic tree is a diagram that is constructed by cladistics principles.branching…

Q: Given the phylogenetic tree shown below, which of the following two species (A-F) most recently…

A: Phylogeny is described as a relationship of organisms that have descended from a common ancestor,…

Q: How does phylogenetic tree relate to the passing of time?

A: The evolutionary history that indicates relationship among the biological species in a group is…

Q: Which of the following terms is related to cladistics?

A: Cladistics is a system of biological taxonomy that defines taxa uniquely by shared characteristics…

Q: Are members of a clade similar because they share a common ancestor, or do they belong to the same…

A:

Q: What is the purpose of using an “outgroup” when reconstructing a phylogenetic tree?

A: An outgroup is a group of species that do not belong to the group being studied for evolutionary…

Q: What is adaptive radiation? Define and provide examples.

A: Adaptive radiation was discovered by Charles Darwin. Adaptive radiation is the result of…

Q: How is a phylogenetic “bootstrap value” calculated?

A:

Q: Is it the case that a phylogeny based on a single gene sequence is usually the same as a phylogeny…

A: Phylogenetic analysis is a modern technique to find out evolutionary relationships and genetic…

Q: Below is a phylogenetic tree of flightless birds. Which species is the common ancestor, with shared…

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: What is the difference between an ancestral character and a shared derived character?

A: Systematics is used to construct a cladogram, which is an evolutionary tree, which depicts the…

Q: Why should we care "Molecular origins of rapid and continuous morphological evolution" research…

A: Evolutionary developmental biology is considered a new norm in evolutionary biology. It arose from…

Q: Two different monophyletic groups that share common ancestry with each other more recently than…

A: Answer : Two different monophyletic groups that share common ancestry with each other more recently…

Q: Which one or more of the 5 clades contain the Eumetazoa?

A: Eumetazoa (diploblasts) are animals whose major characteristics are true tissues (cells embedded…

Q: What is the difference between primitive and advanced species and why is it now considered wrong to…

A: A primitive species has a simple body structure and ancient body design features not changed much…

Q: If you could protect from extinction only the lineages derived from two of the nodes in the figure,…

A: Phylogenetic diversity (PD), which is a measurement of the branch lengths in a phylogenetic tree, is…

Q: How do we know the age of the last common ancestor shared by two species?

A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…

Q: What is the purpose of using an “outgroup” when reconstructing a phylogenetic tree

A:

Q: In the last lab while creating a phylogenetic tree using PAUP/CIPRES, Fagus grandifolia was…

A:

Q: How is concept of a common ancestor and concept known as descent with modification interconnected?

A: Descent with modification refers to the passing on of traits from parent organisms to their…

Q: A cladogram used in a comparison of morphology among taxa had equal length branches, but when looked…

A: A diagram that shows evolutionary relationship between different species is known as phylogenetic…

Q: Why don't shared ancestral characters provide evidence for relationships between organisms within a…

A: Species are organized into groups based on shared derived traits (traits different from those of the…

Q: Based on the phylogenetic tree, if you go back in time and look for species B, you will find that…

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: Which of the following conclusions is most consistent with the information in the evolutionary tree…

A: Question -  Which of the following conclusions is most consistent with the information in the…

Q: What is a clade?

A: In biology, phylogenetics is a part of systematics that addresses the inference of the evolutionary…

Q: Which group is the most ancestral?

A: All living things are descended from a single progenitor. The Theory of Common Descent demonstrate…

Q: What explanation can be derived from the constructed phylogenetic tree above?

A: The evolutionary relationship between organisms is represented by a tree-like diagram known as the…

Q: What is the sister taxon of Taxon 3. The sister taxa or clade of Taxon 1? The sister taxon or clade…

A: Solution

Q: what evolutionary relationship did the picture bellow suggest? explain in 3-5 sentences

A: There are so many similarities seen between different embryonic stages with different members. This…

Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.