1

2

【 】

【 】

7

(1) (2)

(1)

(2) 2

4

3

(1) (4)

(1)

(2) zooxanthella

(3)

Anabaena azollae A. azollae

heterocyst

(4)

a b

(5) (6)

(5) a f 3 3

3

a b c d

e f

(6) (5) a f

(5)

3

4

1

2

3 2a

2b

2

5

A

6 6 6

B

1

1 3 1

1 9 2 1 b

a

1 2

Keita D. Tanaka & Keisuke Ueda 2005. Horsfield's Hawk-Cuckoo Nestlings Simulate Multiple

Gapes for Begging. Science 308: 653.

Keita D. Tanaka, Gen Morimoto & Keisuke Ueda 2005. Yellow wing-patch of a nestling Horsfield's

hawk cuckoo Cuculus fugax induces miscognition by hosts: mimicking a gape? Journal of Avian Biology

36: 461–464.

6

A

B

a b

7

(1) (3)

(1)

4

1

2

3

(2)

(3) DNA

X Y

2 A B

DNA

1 1

A B

(1) (2)

8

(1) A B

(2) A B

(I) (III) A ( A1 A4) B ( B1 B4) C

( ) ( )

A B

(I) A B

A A1 A2

(II) (III)