body size evolution

Question 1

increasing dimensions tenfold in every direction

Answer 1

..its weight is increased a thousand times,
.so that if it is to use its muscles as efficiently as its miniature counterpart…

will need a thousand times as much food and oxygen per day.

Question 2

Absorptive ability will rapidly be reached…

Answer 2

so surface area must be increased by a new device

Question 3

higher animals are more complicated

Answer 3

bc they are larger

Question 4

problem with high insect SA:V ratio

Answer 4

lose heat much faster than it can be generated by metabolic activity

Question 5

allometry

Answer 5

Y becomes proportionately larger/smaller as X increases

Question 6

3 part solution to problems of operating over a wide size range

Answer 6

1) Some of the most basic component structures remain body size invariant

2) Other traits are constrained to obey a common set of scaling laws

3) Scaling reflects an economy of design

Question 7

biological diversity is largely a matter of

Answer 7

size

organisms must adjust structure and function to compensate for consequences