Explanation

Natural resistance refers to an organism's inherent ability to resist diseases or pests due to genetic factors.

Explanation

Explanation

Solids have a high degree of elasticity, which means they can return to their original shape after deformation.

This property allows sound waves to travel more efficiently and quickly through solids

Because the particles are tightly bound and can transmit vibrations rapidly.

Explanation

 A healthy heart beats around 72 times per minute, which translates to roughly 100,000 beats per day. 

Explanation

Meiosis II is the second division in the process of meiosis, which reduces the number of chromosomes in a cell by half.

If a cell starts with 42 chromosomes in telophase II, then each daughter cell will have 21 chromosomes

Because meiosis II divides the chromosomes into four haploid cells. 

Explanation

Cholesterol is present in all of the following except Egg White. 

While both milk and fish contain cholesterol, the cholesterol in an egg is solely located in the yolk, meaning egg white has no cholesterol. 

Key points:

Egg white: Contains no cholesterol

Egg yolk: Contains all the cholesterol in an egg

Explanation

The formula for Intelligence Quotient (IQ) is:

$$text{IQ} = frac{text{Mental Age (MA)}}{text{Chronological Age (CA)}} times 100$$

Explanation

Iron is essential in making hemoglobin, a protein in red blood cells.

These red blood cells help carry oxygen throughout your body.

Explanation

Rabbits are members of the order Lagomorpha, which also includes hares and pikas. 

Explanation

Crocodilians are thecodont. Thecodont is a type of dentition where teeth are set in sockets in the jawbone.