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Invertebrates

Invertebrates are animals that lack a spinal cord, such as insects. Ask questions here about these organisms that make up 95 percent of all animal life.

1,408 Questions

Where were the dragonflies come from Guam?

Dragonflies in Guam are believed to have originated from various regions, primarily through natural dispersal and migration. They can travel significant distances, often arriving on islands like Guam via wind currents or by hitching rides on vegetation and boats. Additionally, human activities, such as trade and transport, have likely contributed to the introduction of certain dragonfly species to the island. Overall, Guam's tropical climate provides a suitable habitat for these insects.

What did Ethel Brown Harvey's experiment on sea urchin's show about the cells of a beginning sea urchin embryo?

Ethel Brown Harvey's experiment on sea urchins demonstrated that the cells of a developing sea urchin embryo exhibit a phenomenon known as "cell determination." She found that even when the cells were separated, they were capable of developing into specific structures, indicating that the fate of the cells is determined early in embryonic development. This work provided crucial insights into the processes of cell differentiation and the inherent potential of embryonic cells to develop into various tissues.

What is an inveterbrate?

An invertebrate is an animal that lacks a backbone or spinal column. This group includes a diverse range of organisms such as insects, crustaceans, mollusks, and worms, making up about 95% of all animal species. Invertebrates play crucial roles in ecosystems, serving as pollinators, decomposers, and a food source for other animals. They exhibit a wide variety of forms and adaptations, allowing them to thrive in various environments.

Is pinguin vartebrate or invertebrate?

Penguins are vertebrates. They belong to the class Aves, which means they are birds and possess a backbone. As warm-blooded animals, they have feathers, lay eggs, and are adapted to life in aquatic environments.

Which invertebrates are generally small allowing them to live on little food and to hide from enemies?

Small invertebrates such as mites, springtails, and certain types of nematodes are generally adapted to live on limited food sources and evade predators due to their size. Their small stature allows them to exploit microhabitats and utilize minimal resources, while also providing effective camouflage against various threats. Additionally, many of these organisms have evolved behaviors and life strategies that enhance their survival in diverse environments.

Why do invertebrates not form their own phylum?

Invertebrates are a diverse group of animals that lack a backbone, encompassing multiple phyla such as Arthropoda, Mollusca, Annelida, and others. They do not form their own phylum because they are classified into various distinct phyla based on differences in body structure, development, and genetics. This classification reflects their evolutionary history and the vast range of adaptations they have developed to thrive in different environments. Therefore, invertebrates are better understood as a collective term for many separate phyla rather than a single phylum.

What are the function of suckers in leeches?

Oh, dude, like, suckers in leeches are like their multitasking tools. They use them to attach to their hosts for a nice blood meal and also for some sweet locomotion. So, basically, suckers in leeches are like their all-in-one package for feeding and getting around.

What kingdom is sea urchins in?

Sea urchins belong to the kingdom Animalia, which is one of the five kingdoms of living organisms. Within the kingdom Animalia, sea urchins are classified under the phylum Echinodermata. Echinoderms are characterized by their spiny skin and radial symmetry, which sea urchins exhibit prominently.

What are the 6 invertebrate groups?

The six types of Invertebrates are: Arthopods, Annelid Worms, Mollucs etc There could be five or seven types of invertebrates. The following are types of invertebrates: arthropods, cnidaria, echinoderms, mullusks, flatworms, roundworms, and segmented worms. Flat worms, roundworms, and segmented worms are could be grouped together, making seven types turn into five.

What is an invertebrate beginning with the letter E?

Oh, dude, an invertebrate starting with E? Easy peasy, we got the echinoderm! It's like a starfish or a sea urchin, you know, those chill ocean creatures with no backbone. So, next time you're at the beach, just look out for those laid-back echinoderms hanging out in the sand.

Why are vertebrates larger than invertebrates?

Well, isn't that a happy little question! Vertebrates tend to be larger than invertebrates because their skeletal structure, made of bones, provides more support for their bodies to grow bigger. This allows vertebrates to have more complex internal systems and larger body sizes, which can be quite majestic to observe in nature. Just like how a big tree grows from a strong trunk, vertebrates grow bigger thanks to their sturdy backbone.

Do paramecium live in colonies?

Paramecium are single-celled organisms that typically live independently rather than in colonies. They are part of the phylum Ciliophora and are characterized by their cilia, which they use for movement and feeding. While they may gather in groups in favorable environments, they do not exhibit true colonial behavior like some other microorganisms.

What makes echinoderms the most advanced invertebrate?

Echinoderms are considered the most advanced invertebrates due to their unique characteristics, such as a water vascular system that helps in movement and feeding, as well as tube feet for locomotion and attachment. They also possess a sophisticated nerve net and radial symmetry, which allows for efficient sensory perception and coordination of movements. Additionally, echinoderms exhibit a high degree of internal complexity, including a well-developed coelom and a unique endoskeleton made of ossicles, setting them apart from other invertebrate phyla.

What zone do giant tube worms live?

In Worms Zone (a popular mobile game), "Giant Worms" are often a reference to players who have grown their worm to an exceptionally large size by eating food scattered around the map. The goal of the game is to consume as much food as possible to grow your worm while avoiding collisions with other worms. The bigger the worm, the more challenging it becomes to avoid crashing into other players, but it also allows for more dominance in the game. The game is known for its simple yet addictive mechanics, where strategy and agility are key to becoming the largest worm on the map.

Does a chameleon have an exoskeleton?

No, a chameleon does not have an exoskeleton. Chameleons are reptiles and have an endoskeleton, which is an internal skeleton made of bones. Their bones provide support and protection for their internal organs, muscles, and other tissues. Chameleons are known for their ability to change color to blend in with their surroundings, which is due to specialized cells called chromatophores in their skin.

How does a sea anemone defend itself?

Well, isn't that just a happy little question! Sea anemones have a few ways to defend themselves in the big ocean. They use their stinging tentacles to ward off predators, retract into their protective shells when they feel threatened, and some even have symbiotic relationships with other creatures that help keep them safe. Just like in nature, it's all about finding balance and harmony in the beautiful underwater world.

Were do diatoms fall in the food chain?

Well, diatoms are tiny, single-celled algae that play a crucial role in the food chain. They are at the base of the marine food web, where they are eaten by various organisms like zooplankton, which are then consumed by larger animals such as fish and whales. So, diatoms are like nature's little artists, painting the foundation of the food chain with their beautiful presence.

Is a coyote a vertebrate or an invertebrate?

Oh, dude, a coyote is totally a vertebrate. Like, it's got a backbone and all that jazz. So, yeah, if you ever come across a coyote doing yoga, just know it's doing some serious downward dog with its vertebrate self.

Why are there more invertebrates than vertebrates?

Well, isn't that just a happy little question! In nature, there are many different roles to play, and invertebrates have found their own special place. With their incredible diversity and adaptability, they have thrived in various environments, making them more numerous than vertebrates. Just like in our painting, each little creature adds its own unique touch to the beautiful canvas of life.

Compare and contrast the support systems of cicadas and sea urchins?

Well, honey, cicadas and sea urchins both have support systems, but they're as different as night and day. Cicadas rely on their exoskeleton for structure and protection, while sea urchins have an endoskeleton made of calcium carbonate plates. So, in a nutshell, cicadas wear their support on the outside, while sea urchins keep it all on the inside.

What insect not arachnid but insect has the strongest jaws overall?

The rhinoceros beetle (Dynastes hercules) is well known for having the strongest jaws of any insect. They use their large mandibles to fend off predators and compete for mates.

What are 3 physical adaptations of Giant Clams?

  1. Large size: Giant clams have evolved to grow to significant sizes, with some species reaching over 4 feet in length.
  2. Thick shells: Their shells are thick and heavy, providing protection from predators and physical damage.
  3. Siphons: Giant clams have specialized siphons that allow them to filter feed on plankton and other nutrients from the water.

Which Paleozoic invertebrates had become extinct by the end of the Paleozoic?

Trilobites, eurypterids, and blastoids are examples of Paleozoic invertebrates that became extinct by the end of the Paleozoic era. These marine creatures were once diverse and abundant but disappeared due to various environmental changes and extinction events at the end of the era.