Section 2 (Pages 54-93) Flashcards
(239 cards)
How does a starfish attack its prey?
It creeps up to it and pulls it’s shell away so, it can eat the soft flesh inside.
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How does a starfish hunt?
It hunts by scent following the chemical trail of its victim is in reach.
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Where dose the common starfish live?
North Atlantic
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when spawning, how many eggs can the female common starfish release?
Up to 2.5 billion eggs
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What do the short white spines on common starfish do?
They act like gills, they adsorb oxygen from the water and releases carbon dioxide.
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What is beneath each arm of a starfish?
Tube feet
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How big can the common starfish get?
They can grow up to 19 3/4 in (50 cm) across.
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How long can the common starfish live.
Up to 10 years
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What is dotted on the surface of the common starfish?
Hundreds of minuscule pinchers that keep it free from dirt and other animals from settling on its skin.
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What is the common starfish’s diet?
Immobile animals and carrion.
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What is at the end of each of the starfish’s arms?
An eyespot that can detect light and shade.
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How many arms does the starfish have?
Five
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What colors can a starfish be?
Orange or shades of purple and brown.
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Can starfish regrow limbs?
Yes, after they are lost any grow as buds and eventually reach full length.
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What is in the central disk of a starfish?
The stomach
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What does Echinoderms mean?
spiny-skinned
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Do Echinoderms have heads?
No they are one of the few species without heads.
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Up to how many arms can a Crown-of- Thorns starfish have.
Up to 21
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Where does the crown- of- thorns starfish live?
Indo-Pacific Region
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What can sea urchins use their spines to do?
Borrow into solid rock.
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What is the approximate number of echinoderm species?
7,000
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Where does the blue starfish live?
Indo-Pacific Region
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How big can a blue starfish get?
11 3/4 inches
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What is the fastest animal in the sea?
Sailfish
Serafina