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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

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.

How would you test the hypothesis 'the distribution of invertebrates in a habitat depends on light intensity?

To test this hypothesis, you could set up multiple sampling plots in the habitat with varying light intensities and systematically collect data on the abundance and diversity of invertebrates within each plot. Statistical analysis can then be performed to determine if there is a significant correlation between light intensity and the distribution of invertebrates. It's important to control for other factors that may influence invertebrate distribution, such as temperature or vegetation cover.

What is heterogeneous grouping of unicellular colonial and multicellular eukaryotes including slime molds brown algae and diatoms?

Heterogeneous grouping refers to a diverse mixture of different types of unicellular colonial and multicellular eukaryotes, such as slime molds, brown algae, and diatoms. These groups share the characteristic of being eukaryotic but differ in their cellular structures, organization, and modes of reproduction.

What do flukes have in common with the cnidarians when it comes to digestion?

Both flukes and cnidarians possess a gastrovascular cavity for digestion. This cavity serves the purpose of digestion and distribution of nutrients throughout the organism's body.

How does camouflage help insects to survive?

Camouflage helps insects survive by helping them blend in with their surroundings, making it harder for predators to detect them. This adaptation allows insects to avoid being eaten and increases their chances of survival.

Do inchworms poop?

Yes, inchworms do poop. They excrete waste through their digestive system like many other organisms to eliminate undigested food and toxins from their bodies.

Do love bugs eat plants?

No, love bugs do not eat live plants but yes, they do eat dead matter. The insects in question (Plecia nearctica) may be considered beneficial for cleaning up the ground around plants, thereby discouraging pathogens, and helping out with pollination by nectaring during their adult stages.

What household items contain diatom?

Diatomaceous earth (diatom) can be found in various household items such as insecticides, toothpaste, water filters, and absorbent materials. It is commonly used for its abrasive and absorbent properties in these products.

Which structure of a diatom is rich in silicon?

The cell wall of a diatom is rich in silicon. It is composed of two overlapping halves, like a petri dish, made of silica that give diatoms their unique intricate patterns and shapes.

What characteristics are unique to nematodes?

Nematodes are roundworms with long, slender bodies that are usually unsegmented. They have a complete digestive system, a protective cuticle, and a simple nervous system. Nematodes can be free-living, parasitic, or predatory, and are found in virtually all environments.

Are diatoms classified as chrysophytes?

Yes, diatoms are classified within the division Chrysophyta, which includes golden-brown algae like diatoms.

Is a aphid a secondary consumer?

No, aphids are primary consumers in the food chain as they feed directly on plants by sucking sap from their leaves or stems. Secondary consumers typically eat primary consumers or other secondary consumers.

Do snakes haves poor vision?

Yes, snakes generally have poor vision compared to many other animals. They rely more on their sense of smell and heat-sensing pits to locate prey and navigate their environment.

Waste is eliminated in with nephridia?

Nephridia are excretory organs found in some invertebrates that eliminate metabolic waste and excess fluids from the body through openings called nephridiopores. These structures help maintain proper osmoregulation and remove nitrogenous waste products from the body.

What is a difference between desmids and diatoms?

Desmids are a type of freshwater green algae characterized by their symmetrically divided cell structure, often with intricate shapes and patterns. Diatoms are a type of single-celled algae that have cell walls made of silica, giving them a glass-like appearance. Desmids are typically larger and have a more complex shape compared to diatoms, which are usually smaller and have a more varied morphology.

Are diatoms parasites or free living?

Diatoms are free-living organisms that photosynthesize. They are a type of algae found in various aquatic environments and play a crucial role as primary producers in the food chain.