Quiz about Phylogenetic

Question 1

Which of the following traits do the salamander and the lizard share?

Accepted Answer

Jaws and Lungs

Answer

Jaws only

Answer

Claws or nails

Answer

Jaws, Lungs, and Claws or nails

Question 2

The phylogenetic tree was constructed using derived traits of organisms A, B, C, D, and E. Based on the tree, which two organisms share the most derived traits?

Accepted Answer

A and B because they share the most branch points.

Answer

C and D because they share one common branch.

Answer

C and D because they are closest to the end of the tree next to each other.

Answer

A and B because they are the pair closest to the center.

Question 3

What is the common ancestor of Letters C and E?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 4

What is the purpose of a phylogenetic tree?

Accepted Answer

To illustrate evolutionary relationships among species

Answer

To measure DNA similarity

Answer

To create new species

Answer

To stop evolution

Question 5

What is a molecular clock?

Accepted Answer

A technique that uses a mutation rate to deduce when two or more lifeforms diverged

Answer

A device to measure time

Answer

A type of genetic mutation

Answer

A method to measure DNA similarity

Question 6

What is phylogeny?

Accepted Answer

The evolutionary history of a kind of organism

Answer

A process where species become extinct

Answer

A method to measure DNA similarity

Answer

A type of genetic mutation

Question 7

What is the aim of studying evolutionary phylogenetic relationships?

Accepted Answer

To understand the concept of evolution and identify mass extinction events

Answer

To measure DNA similarity

Answer

To create new species

Answer

To stop evolution

Question 8

What is a clade?

Accepted Answer

A group of organisms that includes an ancestor and all its descendants

Answer

A process where species become extinct

Answer

A type of genetic mutation

Answer

A method to measure DNA similarity

Question 9

According to the diagram, what is the common ancestor of ALL organisms on the phylogenetic tree?

Accepted Answer

E

Answer

B

Answer

C

Answer

D

Question 10

What is a conserved gene?

Accepted Answer

A gene that has remained essentially unchanged throughout evolution

Answer

A gene that mutates rapidly

Answer

A gene that causes extinction

Answer

A gene that is only found in one species

Question 11

What is the primary use of phylogenetic analysis in biology?

Accepted Answer

To trace the evolutionary relationships between species

Answer

To determine the genetic makeup of an organism

Answer

To identify the habitat of a species

Answer

To measure the physical characteristics of an organism

Question 12

Which of the following best describes a monophyletic group in phylogenetics?

Accepted Answer

A group of organisms that share a common ancestor and all its descendants

Answer

A group of organisms that have similar physical traits

Answer

A group of organisms that live in the same habitat

Answer

A group of organisms that have the same genetic sequence

Question 13

How can molecular phylogenetics be applied in real-world scenarios?

Accepted Answer

To track the spread of infectious diseases

Answer

To develop new species through genetic engineering

Answer

To measure the physical strength of organisms

Answer

To create artificial habitats for endangered species

Phylogenetic

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