EXAM 3 Summary and Review - 11-20-07

EXAM 3 Summary and Review - 11-20-07 - EXAM 3 REVIEW...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
EXAM 3 – REVIEW – 11/20/07 LECTURE #18 – Plant Defenses 1 st Major Theme – Pathogens Defense against: Herbivores Pathogens Structural Defenses Chemical defenses o These two major type of defenses apply to both herbivore and pathogen defense Within Pathogens, o Hypersensitive response o Systemic Acquired Resistance 2 nd major theme – Herbivory: Same two things for pathogens and herbivores o Physical Defenses o Chemical Defenses Secondary Plant compounds Chemical defenses against herbivores (2 categories): - Toxins - Digestibility Reducing Compounds – dose dependent Chemical defenses against pathogens - Kill them outright (with toxins?) Specialist Herbivores – example of when toxin doesn’t work Plant communication Volatization 3 rd Major Theme - Life History Strategies The third way that a plant can hide from a pathogen or herbivore is to hide itself in space or time. Apparent Plants Unapparent Plants o Fast growers
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
o Slow growers LECTURE #19 – Animal Defenses 1 Different Types of animal defenses o Chemical o Visual o Morphological o Vocal o Behavioral Nervous System – know what it is, structures involved, how they work Sensory System Musculoskeletal System Neuron Structure and types What’s happening in the cell o Chemical gradients o Electrical gradients
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

EXAM 3 Summary and Review - 11-20-07 - EXAM 3 REVIEW...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online