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- Dictionaryanimal/ˈanɪml/
noun
- 1. a living organism that feeds on organic matter, typically having specialized sense organs and nervous system and able to respond rapidly to stimuli: "wild animals adapt badly to a caged life"
adjective
- 1. relating to or characteristic of animals: "the evolution of animal life"
- 2. relating to or denoting the pole or extremity of an embryo that contains the more active cytoplasm in the early stages of development.
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Jul 7, 2024 · Animal is a kingdom of multicellular eukaryotic organisms that evolved from unicellular eukaryotes. Animals have muscles and mobility, and differ from plants and fungi in morphology and physiology.
- Coelomates
Animal - Coelomates, Invertebrates, Protostomes: Coelomates...
- Hormones
Animal - Hormones, Endocrine System, Regulation: Hormones...
- Classification
Animal - Classification, Taxonomy, Phylogeny: Because the...
- Animal Diversity
Animal - Diversity, Classification, Evolution: The diverse...
- Ecology and Habitats
Table of Contents Animals evolved in the seas but moved into...
- Students
Animal cells are bounded by a membrane composed chiefly of...
- The Animal Kingdom
Animal - Multicellular, Heterotrophic, Eukaryotes: A...
- Kids
Animals are living things . Like plants , animals need food...
- Coelomates
Jul 7, 2024 · Animal - Multicellular, Heterotrophic, Eukaryotes: A characteristic of members of the animal kingdom is the presence of muscles and the mobility they afford. The muscles that distinguish animals from plants or fungi are specializations of the actin and myosin microfilaments common to all eukaryotic cells.
Jun 23, 2024 · An animal is considered a mammal if it can produce milk. Other features unique to mammals include hair or fur (chemically different from hairlike structures on non-mammals); the malleus, incus, and stapes in the ear; and a diaphragm separating the heart and lungs from the abdomen.
- It is estimated that there are more than 5,500 living mammal species. Mammals are incredibly diverse and can be found in every major habitat.
- The biggest living mammal—indeed, the largest animal ever—is the blue whale. It can be as heavy as 180 metric tons (200 short tons) and reach a len...
- According to fossil records, mammals have existed since the Triassic Period, alongside early dinosaurs such as Riojasaurus and Saltopus. True mamma...
- Mammals evolved from a group of reptiles called therapsids, which lived from 299 million to 200 million years ago. Therapsids were quadrupedal and...
- The platypus has many features not found in other mammals. It is part of a group of mammals known as monotremes, which lay eggs and have specialize...
Jun 28, 2024 · Animals. What is a species? News. By Ethan Freedman. published 28 June 2024. To biologists, a "species" is the fundamental unit of categorization for life on Earth and a key tool for protecting...
1 day ago · The tiger ( Panthera tigris) is a member of the genus Panthera and the largest living cat species native to Asia. It has a powerful, muscular body with a large head and paws, a long tail and orange fur with black, mostly vertical stripes.
Jun 28, 2024 · The question of what defines a species has vexed scientists across the ages, particularly in conservation, where decisions require a firm understanding of biodiversity.
Jul 7, 2024 · Definitions of animal kingdom. noun. taxonomic kingdom comprising all living or extinct animals. synonyms: Animalia, kingdom Animalia. see more.
