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Jellyfish

Found in every ocean, jellyfish are not technically "fish." Jellies have an umbrella like structure that allows them to float beautifully in the water. Watch out though, some of them sting!

500 Questions

What does a box jelly look like?

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A box jellyfish is typically transparent and has a cube-shaped bell, with four distinct sides. They have long, trailing tentacles and are known for their potent venom, making them one of the most venomous creatures in the world.

Are oysters asymmetry bilateral or radial?

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Oysters are asymmetrical bivalve mollusks, meaning they have bilateral symmetry, which means they can be divided into two equal halves along only one plane.

What are jellyfishes prey?

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Jellyfishes are made up of 95% water for easy floating. They use their stinging cells for stinging and killing prey and their larger tentacles (oral tentacles) for properly putting food into their mouths.

How does the Portuguese man-of-war reproduce?

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Portuguese man-of-war reproduce sexually by releasing eggs and sperm into the water, where fertilization takes place. The fertilized eggs develop into larvae that eventually grow into adult Portuguese man-of-war.

How is an echinoderm's radial symmetry different from that of a jellyfish?

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An echinoderm's radial symmetry typically involves body parts arranged around a central axis in multiples of five, whereas a jellyfish has radial symmetry with body parts arranged around a central point. Echinoderms have a pentaradial symmetry, while jellyfish have a simple radial symmetry.

Are jellyfish carnivores?

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Yes, jellyfish are carnivorous creatures. They primarily feed on plankton, small fish, shrimp, and other small marine organisms that they capture in their tentacles using stinging cells called nematocysts.

Which phylum has both medusa and polyp stages in its life cycle?

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Cnidaria is the phylum that exhibits both medusa and polyp stages in its life cycle. Medusae are the free-swimming form, while polyps are typically attached to a substrate.

What is the relationship between a stationary polyp and free swimming medusa?

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A stationary polyp is the asexual stage of a cnidarian, such as a jellyfish. It reproduces asexually to form free-swimming medusae, which are the sexual stage of the life cycle. Medusae release eggs and sperm to produce new polyps, closing the life cycle.

Do jellyfish live in shallow or deep water?

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Jellyfish can be found in both shallow and deep water. They are found in oceans around the world, from coastal areas to deep sea environments. Some species prefer shallower waters closer to the coast, while others inhabit deeper parts of the ocean.

What colour is a jellyfish?

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Jellyfish come in various colors such as white, pink, blue, and yellow. Their coloration comes from pigments in their tissues or from the food they eat.

Are jellyfish vertebrates or invertebrates?

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All species of jellyfish are marine invertebrates
Invertebrates

How do Difflugia get rid of waste?

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Difflugia eliminate waste through a process called exocytosis, where their waste products are expelled from the cell by fusing with the cell membrane and released outside the cell. This helps to maintain the internal environment of the cell and prevent the build-up of toxic substances.

Are jellyfish nocturnal?

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Some jellyfish species are nocturnal and are more active during the night when they feed and hunt. Others may be more active during the day, depending on their specific biology and behavior.

How can you tell a jellyfish sex?

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Jellyfish do not have distinct sexes like male and female. They have both male and female reproductive organs and can reproduce through both sexual and asexual means.

Why are stinging cells effective for jellyfish and sea anemones to capture prey?

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Stinging cells, called cnidocytes, contain nematocysts that release toxins when triggered. These toxins immobilize prey and can also deter predators. This mechanism allows jellyfish and sea anemones to efficiently capture and consume their food.

How do jellyfish get energy?

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Jellyfish get their energy by consuming plankton and small fish. They have specialized cells called cnidocytes that release venom to immobilize their prey before they ingest it. Jellyfish are opportunistic feeders and will consume whatever food source is available to them in their habitat.

What type of jellyfish live near ft lauderdale fl?

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Common jellyfish species found near Ft. Lauderdale, Florida, include the moon jellyfish (Aurelia aurita) and the sea nettle jellyfish (Chrysaora quinquecirrha). Both species are known to frequent the coastal waters of the region.

What is the largest jellyfish?

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The lion's mane jellyfish (Cyanea capillata) holds the title for being one of the largest jellyfish species. They can have bell diameters reaching up to 8 feet (2.4 meters) and tentacles that extend as long as 100 feet (30 meters).

Jellyfish scientific name?

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Aurelia aurita is the scientific name of the common jellyfish.

What is the climate of the jellyfish?

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Jellyfish are found in a variety of climates, from tropical waters to colder regions. They are most commonly found in temperate and tropical ocean waters, but some species can also survive in colder environments. Jellyfish are sensitive to changes in water temperature and quality, which can impact their distribution and abundance.

What is the most poisonous jellyfish?

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The box jellyfish (Chironex fleckeri) is considered one of the most poisonous jellyfish in the world. Its venom is extremely potent and can be fatal to humans if stung. It is found in the waters of northern Australia and the surrounding regions.

When did the box jellyfish evolve?

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Box jellyfish, a group of cnidarians, are estimated to have evolved around 700 million years ago. They are thought to have evolved during the Pre-Cambrian era, making them one of the oldest groups of animals on Earth.

What are the uses of a jellyfish?

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Jellyfish serve important roles in marine ecosystems by providing food for predators, controlling populations of other organisms, and cycling nutrients in the water. They are also used in medical research to study neurobiology and bioluminescence. Additionally, some species of jellyfish are used in the food industry for human consumption.

What have scientists found out about jellyfish?

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Scientists have found that jellyfish are complex animals with unique characteristics, such as their ability to regenerate and their efficient movement using a bell-shaped body and tentacles. Research has also shown that jellyfish play important roles in marine ecosystems as both predators and prey, and their populations can be impacted by environmental changes, including climate change and human activities.

Are jellyfish omnivores?

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No, they are carnivorous. Some species (such as the upside down jellyfish, Cassiopeia xamachana) form a symbiotic relationship with algae (zooxanthellae) and are nourished by sugars derived from algal photosynthesis. But since they also feed on animal organisms, and sugar is neither animal nor vegetable, jellyfish are considered to be strictly carnivorous.