scale

Question 1

what does body mass dictate

Answer 1

how an organism looks, feeds, moves, interacts

Question 2

what are some reasons why it can be difficult to observe biological life

Answer 2

size (too small)
difficult to maintain in culture
difficult to monitor (elusive species)

Question 3

the unaided human eye can distinguish 2 objects down to how many micrometres apart

Answer 3

200

Question 4

The light microscope distinguishes (resolves) points down to less than ………….µm apart.

Answer 4

1

Question 5

EM can resolve down to ……….nm.

Answer 5

0.2

Question 6

how many metres in a metre

Answer 6

1

Question 7

how many metres in a millimetre

Answer 7

1x10-3

Question 8

how many metres in a micrometre

Answer 8

1x10-6

Question 9

how many metres in a nanometre

Answer 9

1x10-9

Question 10

Logarithms find the……….for an effect

Answer 10

cause

Question 11

what isometric growth

Answer 11

size changes only, everything else remains in proportion

Question 12

what is allometric growth

Answer 12

change in proportion due to growth (change in surface area) e.g. comparison of mouse and elephant femur.

Question 13

volume or weight is a function of the …… of linear dimensions

Answer 13

cube

Question 14

Surface area is a function of the……….. of linear dimensions

Answer 14

square

Question 15

Surface area α Volume……..

Answer 15

2/3

Question 16

Metabolic rate α Mass…………

Answer 16

0.75