NGSS.MS-LS4-2

A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?

• Jointed legs
• Body segments
• Presence of eyes
• Presence of antennae

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NGSS.MS-LS4-2

The changes of species over time

• Embryonic 
• Natural selection 
• Mimicry 
• Evolution 

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NGSS.MS-LS4-2

the change in population of a species over time.

• evolution

• changed population

• carbonization

• fossilized

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NGSS.MS-LS4-2

Which is least likely to show two species share a common ancestor?

• They have similar genetic sequences

• they have similar embryo development

• They have analogous body structure

• They have homologous body structure

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NGSS.MS-LS4-2

Where would Tikaalik be positioned on our timelines? Between which two other organisms?

• Between the Lungfish and Eusthenopteron

• Between Eusthenopteron and Acanthostega

• Between Acanthostega and Pederpes

• Between Pederpes and modern day humans

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NGSS.MS-LS4-2

This image shows the development of two embryos.

Based on these images, which statement is true?

• Their brains will function the same way after birth.

• Their tails and legs are different as embryos.

• Their eyes and heads are similar as embryos

• Their legs will be the same length at birth.

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NGSS.MS-LS4-2

What conclusion can be made about these four organisms?

• The four organisms have similar bones because they live in similar environments

• The four organisms have different ancestors since they live in different environments.

• The four organism have no connection to each other because they live in different ecosystems

• The four organisms have a common ancestor since they have the same number of bones in the same positions.

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NGSS.MS-LS4-2

When organisms are descended from a single ancestor

• cladogram

• common ancestry

• evolutionary origin

• anatomical homologies

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NGSS.MS-LS4-2

Which 2 species would complete the "More Closely Related" part of this model the best? (Your choices are Lizard, Pig, and Rat.)

• pig and lizard because they both have 4 legs

• pig and lizard because they evolved from a common vertebrate ancestor

• pig and rat because they both have 4 legs

• pig and rat because they evolved from a common mammal ancestor

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NGSS.MS-LS4-2

A bird and bats wings are an example of

• Homologous Structure

• Analogous Structure

• Vestigial Structure

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NGSS.MS-LS4-2