Which is the largest class?

Which is the largest class of animal kingdom?

The biggest class of animal kingdom is? Answer: Insecta is a class of invertebrates. They are placed within the phylum Arthropoda. The characteristics of group Insecta are that they have six legs or three pairs of legs.

Which is the largest class of animals?

Explanation: Arthropod, any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, centipedes, and millipedes. About 84 percent of all known species of animals are members of this phylum.

What are the 2 largest groups of animals?

The two main groups of animals are vertebrates and invertebrates.

What is the largest group of living things in the world?

At the top of the classification system is the kingdom, the largest grouping. Animals make up one of five kingdoms in the natural world. The others are plants, fungi, bacteria, and protists (algae and other single-celled living things).

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What are the 5 kingdoms?

Living things are divided into five kingdoms: animal, plant, fungi, protist and monera. Living things are divided into five kingdoms: animal, plant, fungi, protist and monera.

What are the 7 animal kingdoms?

Eight kingdoms model

  • The first two kingdoms of life: Plantae and Animalia.
  • The third kingdom: Protista.
  • The fourth kingdom: Fungi.
  • The fifth kingdom: Bacteria (Monera)
  • The sixth kingdom: Archaebacteria.
  • The seventh kingdom: Chromista.
  • The eighth kingdom: Archezoa.
  • Kingdom Protozoa sensu Cavalier-Smith.

Which group has most species?

Solution : Among animals, the most species rich taxonomic group is insects.

What is the largest animal family?

The largest living animal in the world is the blue whale (Balaenoptera musculus), a beast measuring upwards of 100 feet (30 meters) long. But enough about the whale. What is the largest bird, butterfly or marsupial?

What animal has 3 hearts?

The giant Pacific octopus has three hearts, nine brains and blue blood, making reality stranger than fiction. A central brain controls the nervous system. In addition, there is a small brain in each of their eight arms — a cluster of nerve cells that biologists say controls movement.

What two groups are animals divided into?

The animal kingdom is divided into two groups: vertebrates and invertebrates. Vertebrates have been around for millions of years but have evolved and changed over time. The word vertebrate means “having a backbone.” Many animals have backbones. You have a backbone.

What is the largest living thing on earth today?

The largest living thing on Earth is mostly hidden from view

Meet Armillaria ostoyae, or, as it’s nicknamed, the Humongous Fungus. It’s an organism that covers 2,385 acres (almost 4 square miles) of the Malheur National Forest in Oregon.

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What is the smallest living thing on earth?

The smallest entity universally recognised to be a living organism (not everyone considers the slightly smaller nanobes to be alive) is Nanoarchaeum equitans.

What is the oldest living thing on earth?

The oldest single living thing on the planet is a gnarled tree clinging to rocky soil in the White Mountains of California. This Great Basin bristlecone pine (Pinus longaeva) has withstood harsh winds, freezing temperatures and sparse rainfall for more than 5,000 years.

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