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1Inside-Out Adaptations Teacher Handout

sea star Adaptation chart with Answers

H o w I t H e l P s t H e o r g A n I s m s u r v I v eA d A P tAt I o n

T u b e f e e T

WaT e r va s c u l a r

s y s T e m

a b i l i T y T o

r e g e n e r aT e

b o d y pa rT s

s p i n e s

p i n c e r s

( a l s o c a l l e d

p e d i c e l l a r i a e )

s T o m a c h T h aT

e x T e n d s o u T s i d e

o f T h e b o d y

organism: sea star

• R e g R o w a R m s f o R wa l k i n g , c a p t u R i n g p R e y

• R e g R o w o R g a n s i f h a R m e d

• wa l k

• c a p t u R e p R e y

• p Ry o p e n s h e l l s o f p R e y

• s t i c k t o R o c k s i n s t R o n g c u R R e n t / wav e s

• s t i c k u n d e R n e at h R o c k s t o h i d e f R o m p R e d at o R s

• c o n t R o l s t u b e f e e t

• p R o t e c t i o n f R o m p R e d at o R s

• k e e p a l g a e a n d o t h e R o R g a n i s m s f R o m g R o w i n g o n i t

• c a n f e e d o n p R e y l a R g e R t h a n i t s m o u t h , s u c h a s c l a m s

a n d m u s s e l s