If the Cretaceous Mass Extinction Had Not Occurred, Which Group

question 54

Multiple Choice

If the Cretaceous mass extinction had not occurred, which group of animals would probably include the largest land animals today?

• A) Bony fish
• B) Insects
• C) Reptiles
• D) Birds
• E) Amphibians

Understand the role of specific plant hormones and compounds (e.g., jasmonic acid, salicylic acid) in plant defense responses.

Comprehend the implications of secondary metabolites on herbivores and pathogens, including their effects on digestion, respiration, and nervous system functions.

Explain how plants manage their own toxic compounds to prevent self-damage, including compartmentalization and precursor storage.

Understand the evolutionary arms race between plants and their herbivores/pathogens, highlighting the co-evolutionary aspects.

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