Animal Physiology - Lecture 11

Question 1

Allometry is the study of .. growth

Answer 1

differential

-how parts scale with body size

Question 2

ontogenetic allometry is when body proportions .. with development

Answer 2

change

-unevenly

Question 3

isometric scaling is when body proportions stay the .. wtih development

Answer 3

same

Question 4

static allometry is body proportions differing between individuals of the same .. and .. within a species

Answer 4

age, sex

-same developmental stage

Question 5

evolutionary allometry is between individuals of .. species

Answer 5

different

Question 6

y = ax^b can describe allometric relationships, if b < 1 it shows .. allometry

Answer 6

negative

-obviously keep units the same

Question 7

the problem with isometry is that loading weights on limbs would … increase

additionally increasing surface area x4 increases mass by ..

Answer 7

disproportionately
x8
- so respiratory surfaces would increase at a slower rate than metabolically active tissue

Question 8

endotherms > ectotherms > unicellular in terms of basal metabolic rate for organisms of .. size

Answer 8

similar

Question 9

marine mammals > terrestrial mammals > marsupials

in BMR of .. sized organisms

Answer 9

similar

Question 10

smaller organisms need to eat .. food relative to body weight

Answer 10

more

Question 11

due to higher sa:v the vole has higher .., .. rate and higher .. intake per gram body rate

Answer 11

heart, respiration, food