Cladograms and Dichotomous keys!

Cladograms and Dichotomous keys!

Assessment

Flashcard

Biology

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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16 questions

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1.

FLASHCARD QUESTION

Front

What is a cladogram?

Back

A cladogram is a diagram that shows the evolutionary relationships among various biological species based on similarities and differences in their physical or genetic characteristics.

2.

FLASHCARD QUESTION

Front

What is a dichotomous key?

Back

A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as plants and animals, by answering a series of questions that lead to the correct classification.

3.

FLASHCARD QUESTION

Front

What is the first step in using a dichotomous key?

Back

The first step is to read the first pair of statements and choose the one that best describes the organism being classified.

4.

FLASHCARD QUESTION

Front

What does it mean if two organisms share a common ancestor in a cladogram?

Back

It means that the two organisms have evolved from a shared lineage and may have similar traits due to their evolutionary history.

5.

FLASHCARD QUESTION

Front

What is the significance of the branching points in a cladogram?

Back

Branching points, or nodes, represent the most recent common ancestor shared by the groups that diverge from that point.

6.

FLASHCARD QUESTION

Front

How do you determine the relationship between organisms using a cladogram?

Back

You can determine relationships by looking at how closely related the organisms are based on their position on the cladogram; the closer they are, the more closely related they are.

7.

FLASHCARD QUESTION

Front

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

Back

A cladogram focuses on the order of branching and relationships, while a phylogenetic tree also includes information about the time of divergence and evolutionary distance.

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