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Explanation

A response is the organism's reaction or adaptation to a change in the environment.

Such as a change in temperature, light, or sound.

Explanation

The skin is considered the largest organ of the human body.

It covering an area of about 1.5-2 square meters (16-22 square feet).

It weighing around 3-4 kilograms (7-9 pounds).

Explanation

• A population is a localized group of organisms that belong to the same species and live in a specific geographic area.
• It is a unit of evolution, and its members share a common gene pool.

Explanation

A respiratory surface, such as the alveoli in lungs or the surface of gills, possesses the following properties:

• Thin: allows for efficient gas exchange
• Wet: facilitates the exchange of gases between the surface and the surrounding environment
• Permeable: allows gases to pass through the surface
• Very large: provides a large surface area for gas exchange to occur

Explanation

Genetics is a branch of biology concerned with the study of genes, genetic variation, and heredity in organisms.

Explanation

The equilibrium constant, Kc, for the reaction:

N2 + O2 ⇌ 2NO is unitless (No unit).

Since the number of moles of gas is the same on both the reactant and product sides (2 moles).

The concentration terms in the equilibrium constant expression cancel out, leaving Kc without units.

Explanation

"Kitab-ul-manazir", also known as the "Book of Optics".

It is a seven-volume treatise on optics composed by the medieval Arab scholar Ibn al-Haytham (Alhazen or Alhacen, 965–c. 1040 AD).

Explanation

The outer part of the DNA helix is made up of sugar (deoxyribose) and phosphate molecules, which form the backbone of the DNA double helix.

This sugar-phosphate backbone is referred to as the "upright" or "backbone" of DNA.

Explanation

In angiosperms, the 3N (triploid) zygote develops into the endosperm, a nutrient-rich tissue that surrounds and nourishes the embryo in the seed.

The endosperm is formed when the fertilized central cell of the embryo sac (3N) divides and grows.

Explanation

Sensory hair cells are specialized cells in the cochlea, the spiral-shaped organ of hearing in the inner ear.

These hair cells convert sound vibrations into electrical signals that are transmitted to the brain, allowing us to hear.