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Middle School Life Science Flashcards: Anatomical Similarities And Evolutionary Relationships

Study Anatomical Similarities And Evolutionary Relationships in Middle School Life Science with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Identify the relationship: human arm and whale flipper have similar bones but different functions.

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ANSWER

Homologous structures. Same bones arranged similarly despite different uses.

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Middle School Life Science: Biological Evolution: Unity and Diversity

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What this deck covers

This deck focuses on Anatomical Similarities And Evolutionary Relationships, giving you a quick way to review the definitions, rules, and examples that matter most for Middle School Life Science.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 16Practice questions for this set
Four anatomical models show front limbs in the same orientation with a 4 cm scale bar. The student is told: anatomical similarities can suggest relationships.
  • Organism Q: one upper bone, two lower bones, wrist bones, five digits.
  • Organism R: one upper bone, two lower bones, wrist bones, five digits.
  • Organism S: one upper bone, two lower bones, wrist bones, two digits.
  • Organism T: many small bones with no clear one-upper/two-lower arrangement.
Which of the following is the best supported relationship inference based on the structural patterns?
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