Phylogenetic Grouping Concepts

Phylogenetic Grouping Concepts

Assessment

Interactive Video

Biology, Science, Other

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video introduces phylogenetic trees, focusing on three main types: monophyletic, paraphyletic, and polyphyletic groups. Monophyletic groups, or clades, include a common ancestor and all its descendants. Paraphyletic groups include a common ancestor and some descendants, excluding others. Polyphyletic groups consist of descendants without the common ancestor. The video explains how these groupings help in understanding evolutionary traits and taxonomy.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three main types of groupings in phylogenetic trees?

Polyphyletic, Monophyletic, Triphyletic

Paraphyletic, Polyphyletic, Diphyletic

Monophyletic, Biphyletic, Triphyletic

Monophyletic, Paraphyletic, Polyphyletic

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a monophyletic group also known as?

A clade

A root

A branch

A node

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes a monophyletic group?

Includes a common ancestor and some of its descendants

Includes only the descendants

Includes a common ancestor and all its descendants

Excludes the common ancestor

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What distinguishes a paraphyletic group from a monophyletic group?

It excludes some descendants of a common ancestor

It includes all descendants of a common ancestor

It includes only unrelated species

It excludes the common ancestor

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a paraphyletic group, what is left out?

The common ancestor

Some of the descendants

All of the descendants

Unrelated species

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key feature of a polyphyletic group?

Includes a common ancestor and all its descendants

Includes unrelated species

Excludes the common ancestor

Includes only one descendant

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which example illustrates a polyphyletic group?

A group including all mammals

A group including reptiles and their common ancestor

A group including bats and birds but excluding their common ancestor

A group including only birds

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