Directed reading - macarthur paper

Question 1

five species of warbler

Answer 1

cape may, black throated green, blackburnian, myrtle, bay breasted

Question 2

definition of congeneric

Answer 2

species belonging to the same genus

Question 3

how can coexistence occur?

Answer 3

each species, when abundant, should inhibit its own growth more than it inhibits the other

Question 4

heterogeneous

Answer 4

diverse

Question 5

main factors studied

Answer 5

food, proper feeding zones, shelter from weather, nesting sites

Question 6

how did the feeding zones vary?

Answer 6

with height and position on branch

Question 7

cape may feeding position

Answer 7

high T zone

Question 8

Myrtle feeding position

Answer 8

low B zone

Question 9

black throated green feeding position

Answer 9

middle T an M zones

Question 10

blackburnian feeding position

Answer 10

middle to high T and M zones

Question 11

bay breasted feeding position

Answer 11

Middle B M and T zones

Question 12

3 directions of movement

Answer 12

vertical, radial, tangential

Question 13

cape may movement

Answer 13

vertical

Question 14

BTG and myrtle movement

Answer 14

tangential

Question 15

bay breasted and blackburnian movement

Answer 15

radial

Question 16

Hawking

Answer 16

moving prey is sought in the air

Question 17

hovering

Answer 17

a nearly stationary prey is sought amid the foliage

Question 18

plasticity definition

Answer 18

the adaptability of an organism to changes in its environment

Question 19

species with most varied feeding habits

Answer 19

myrtle

Question 20

3 reasons why 2 species may eat different food:

Answer 20

1 - they may feed in different places or different times of day
2 - they may feed in such a manner as to find different foods
3 - they may accept different kinds of food from among those to which they are exposed

Question 21

Darwin’s statement on clutch size

Answer 21

A large number of eggs is of some importance to those species which depend on a fluctuating amount of food, for it allows them to rapidly increase in numbers

Question 22

species that capitalise upon spruce budworm outbreaks

Answer 22

cape may, bay breasted - have larger clutch sizes in budworm years (bay breasted)

Question 23

most common evidence of mortality

Answer 23

parents feeding only one or two newly fledged young

Question 24

salomonsen statement

Answer 24

species which breed in the same place tend to winter in different geographic regions - doesn’t occur in the 5 warblers