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Phylogeny Fundamentals Worksheet

Explore the basics of phylogeny, evolutionary relationships, and how to interpret phylogenetic trees in this Grade 8 science worksheet.

Grade 8 Science BiologyPhylogeny
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Multiple ChoiceTrue / FalseFill in the BlanksShort Answer

Standards

MS-LS4-1MS-LS4-2

Topics

phylogenyevolutionbiologygrade 8science
6 sections · Free to use · Printable
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Phylogeny Fundamentals

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Read each question carefully and answer to the best of your ability. This worksheet will test your understanding of phylogeny and evolutionary relationships.

1. What is phylogeny the study of?

a

The study of rocks and minerals

b

The evolutionary history and relationships among organisms

c

The classification of chemical elements

d

The study of weather patterns

2. What do the branches on a phylogenetic tree represent?

a

Different habitats

b

Evolutionary lineages

c

Food preferences

d

Individual organisms

1. Phylogenetic trees always show the exact time of divergence between species.

T

True

F

False

2. Organisms that share a more recent common ancestor are more closely related.

T

True

F

False

1. A   is a diagram that shows the evolutionary relationships among various biological species or other entities.

2. The point where two branches diverge on a phylogenetic tree represents a   ancestor.

3.   are traits shared by two or more taxa that are inherited from a common ancestor.

1. Briefly explain the difference between homologous and analogous structures in the context of phylogeny.