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Ch 40 Animal Structure and Function
Lecture 21March 9th
24
Biology
Undergraduate 1
03/09/2015

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Cards

Term
What is Moore's Law?
Definition
Computer processor power will double every 2 years
Term

Clicker Question: Which of the following cost less than $2600 in 1984 (in 1984 dollars)?

a)1984 average 4 year State University 1 year tuition and fees

b)1984 Honda Civic

c)1884 the first Motorola cell phone

d)all of the above

Definition

a) 1984 average 4 year State University 1 year tuition and fees $800

Point: World is changing

Term
What is the Challenger Expedition? and when did it happen?
Definition

1872-1876

The birth of oceanography

start of marine biology

Term
What is Neptune Canada?
Definition
An internet based marine observatory
Term
What is a pop up archival tag?
Definition
tell location of the shark, will release itself from shark and release signal
Term
What do organisms diverse into?
Definition
Major lineages
Term
What is Ecology?
Definition
how organisms make a living, why they do what they do
Term
What is Bacterium?
Definition
A heterotroph, simple extracellular digestion, propulsion with a flagellum
Term
What is a sea anemone?
Definition
Carnivore, but also benefits from algae, sedentary
Term
What is the white shark?
Definition
Apex predator, Jawed chordate
Term
What is a lamprey?
Definition
A jawless fish that attatches itself to other organisms and suck blood
Term
What is so special about the white shark jaw?
Definition
Really sharp teeth, multiple layers of teeth that replaces itself
Term
What is a helicoprion?
Definition
Ancestor of shark with jaw that looked like a spiral buzzsaw, used it to scrape/cut prey and teeth never replaced. They are believed to cut Jellyfish
Term
iClicker question: Why does the goblin shark have such unusual strength?
Definition
We dont know, but it can't swim fast
Term
What is special about the white sharks tail, and swimming?
Definition
The tail is symetrical and is a fast swimmer
Term
What is the tail like and swimming like on a thrasher shark?
Definition
It is slow and has an asymmetrical tail, and uses it to stun prey
Term
What don't sharks have?
Definition
swim bladder
Term
Where do sharks store waste?
Definition
Their blood
Term
What creates lift in a shark?
Definition
The pectoral fins
Term
What is biochemical buoyancy?
Definition
where nitrogenous wastes: urea and other amines create bouyancy
Term
Are the sharks muscle cold or hot for swimming?
Definition
they are heated
Term
What creates the forward thrust in a white shark?
Definition
Spiny sharp scales
Term
What can be said about the biochemistry and cell biology of organisms?
Definition
Basic biochemical and cellular architecture with modification
Term
What must you understand about an organism?
Definition
their biological adaptations
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