Explanation

Explanation

Circadian rhythms are natural, internal biological cycles that follow a 24-hour cycle, such as the sleep-wake pattern.

These rhythms are regulated by the biological clock and respond to environmental cues like light and darkness.

Explanation

Phenotype refers to the observable characteristics or traits of an organism (like eye color, height).

It results from the interaction of the genotype with the environment.

Explanation

Different tissues that work together to perform a specific function form an organ.

Explanation

Interferons are cytokines that help activate natural killer cells as part of the immune response

Explanation

65% of the human body is oxygen.

Oxygen is a major component of water.

It makes up a significant portion of body mass.

Explanation

Nitrogen is an important mineral nutrient for plants and is essential for their growth and development. 

Explanation

A capsid is a protein coat surrounding a virus's genetic material, and it's composed of individual protein subunits called capsomeres

Explanation

Malpighian tubules are found in grasshoppers and other insects, functioning in excretion.

Explanation

Most neurons in the central nervous system (CNS) are multipolar, meaning they have multiple dendrites and a single axon.