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What does Starfish Eat? Video Lecture | Science Class 7

111 videos|246 docs|28 tests

FAQs on What does Starfish Eat? Video Lecture - Science Class 7

1. What do starfish eat?
Ans. Starfish primarily feed on bivalves such as clams, mussels, and oysters. They also consume snails, barnacles, and small fish. Starfish use their tube feet to pry open the shells of their prey and then extend their stomachs outside their bodies to digest the soft parts of their prey inside their shells.
2. Can starfish eat dead animals?
Ans. Yes, starfish can eat dead animals. They are scavengers and will consume any dead animal they come across. They use their tube feet to detect dead animals and then extend their stomachs to digest the soft parts of the carcass.
3. Do starfish have any predators?
Ans. Yes, starfish have predators. Some of the common predators of starfish include birds, crabs, fish, sea otters, and other starfish. Starfish have evolved a variety of defense mechanisms such as spines, toxins, and regeneration to protect themselves from predators.
4. How often do starfish eat?
Ans. Starfish do not have a fixed feeding schedule. Their feeding frequency depends on factors such as the availability of food and the size of their prey. Some species of starfish can go for weeks or even months without food, while others feed daily.
5. Can starfish eat plants?
Ans. No, starfish cannot eat plants. They are carnivores and feed only on animal matter. They do not have the digestive enzymes necessary to break down plant material.
111 videos|246 docs|28 tests

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