A vertebrate animal with four limbs, including amphibians, reptiles, birds, and mammals.

A superclass of vertebrates that includes all four-limbed animals, both living and extinct, such as amphibians, reptiles, birds, and mammals.

A structure in the brain that acts as a relay station for sensory and motor signals to the cerebral cortex.

The undifferentiated body of a non-vascular plant or simple organism, such as algae, fungi, and some bryophytes.

The process of the chromosomes moving to the poles of the cell during meiosis, particularly during the late stages of…

A sequence of three nucleotides (UAA, UAG, or UGA) in mRNA that signals the end of protein synthesis during translation.

A class of naturally occurring organic compounds produced by a variety of plants, especially conifers, known for their aromatic qualities.

Compounds found in plants and some insects that are derived from isoprene units and are important in plant defense, fragrance,…

Relating to the Earth or land; organisms that live primarily on land rather than in water or air.

The behavior exhibited by animals to defend and protect their living space or territory from intruders, often to ensure access…