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Lizards  — Research Starter

Lizards are reptiles belonging to the order Squamata, which also includes snakes. There are approximately four thousand species of lizards worldwide, indicating a remarkable diversity within this…

Learning (zoology)  — Research Starter

Learning in zoology refers to changes in behavior that arise from previous experiences and involve the nervous system, distinguishing it from other behavioral changes due to maturation or fatigue.…

Language (zoology)  — Research Starter

Language in zoology refers to the communication systems employed by animals and distinguishes between these systems and human language. While animals do engage in various forms of…

Lactation (zoology)  — Research Starter

Lactation in zoology refers to the biological process through which female mammals produce milk to nourish their offspring, distinguishing them from other animal classes. This capability is…

Jellyfish  — Research Starter

Jellyfish are ancient, gelatinous animals found predominantly in tropical and subtropical marine environments, with origins traceable back over 650 million years. These creatures exhibit a simple body…

Isolating mechanisms in evolution  — Research Starter

Isolating mechanisms in evolution are biological processes that prevent interbreeding between distinct species, thereby maintaining their genetic integrity. These mechanisms are classified into two…

Invertebrates  — Research Starter

Invertebrates are a diverse group of animals that lack a backbone and primarily inhabit aquatic environments, although some species have adapted to land. They display a variety of body plans, which…

Invertebrate chordates  — Research Starter

Invertebrate chordates, part of the phylum Chordata, include two primary subphyla: Tunicata (tunicates) and Cephalochordata (lancelets). These organisms exhibit key chordate features, such as a…

Insects  — Research Starter

Insects are an incredibly diverse class of invertebrates that have existed for approximately 400 million years, dating back to the Devonian period. With over one million identified species and…