What is ethology?
the study of animal behavior and cognition
What is behavior?
response to stimuli
What is proximate cause?
Environmental stimulus and mechanism of behavioral response; HOW
What is ultimate cause?
Classification of Plants
What's so important about plants?
40% of medicines are derived from plants
Plants moderate climate, anchor soil, and help retain moisture
Plants absorb pollutants and purify water
Studies show plants decrease stress and increase
Concept Questions Notes
Why are fossils important?
Learn about the past; evolution; time scale of planet
What types of rocks are most likely to contain fossils?
What isotopes used for dating fossils? Which ones for very old fossils?
Chapter Twenty-Five Notes
How many gene families regulate plant and animal diversity?
What do highly conserved genes produce?
diverse morphologies (form and structure of organism)
Hox (homeobox) Genes
establish body plan by specifying when and wh
Fungi and Animalia
Fungi Relation to Animals?
Both are heterotrophic
Both store energy in carbs
Fungi Cell Walls made of?
What's the body form of a fungi?
Mycelia (mat of hair) composed of hypha (individ
Plants and Conquest of Land
describes the production of spores of different types
Major plant organs
How many millions years ago did vascular plants first appear in the fossil record?
Gymnosperms and angiospe
Leaves and Fruits Notes
Simple - single leaf, not leaflets, may be lobed or divided
Compound - distinct leaflets, each with own petiole (but no axillary bud)
Edge of leaf
Top tip of leaf
Veins of leaf and midrib
Sources of Visible Region
Natural = sun
Man made = all lighting sources
Employees at Risk- Visible Region
Cannot produce their own food, must obtain it from the environment
Organic compounds fungi use as food
Digestive systems secreting enzymes that break down complex organic materials and absorb
Chapter Twenty Four Notes
What contains the raw material for evolution?
Comparing whole genome enhances what 3 things?
1. ability to understand evolution
2. improve crops
3. identify genetic basis of disease (because we can study disease at th