Explanation

Air is not a component of a food web, as it is not a living organism or a source of energy or nutrients for organisms in the web.

Explanation

Blood group O has both anti-A and anti-B antibodies in the serum, while the other blood types do not.

Explanation

• Glucose is the primary source of energy.
• It is building block for plant growth and development, produced through photosynthesis.

Explanation

If a plants have needle like leaves to desert environment would they belong.

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

Adrenaline (also known as epinephrine) is hydrolyzed by the enzyme monoamine oxidase (MAO).

Explanation

The cells contained in the lacunae of the bone are called osteocytes.

Explanation

The diffusion of sodium ions across the postsynaptic membrane causes it to depolarize, initiating a new action potential.