Explanation

• The study of relationships between organisms and their environment is called Ecology.
• It helps understand how living things interact with each other and with their surroundings.

Additional information:

• Embryology studies development of embryos.
• Ethology studies animal behavior.
• Entomology studies insects.

Last verified on 16-01-2026

Explanation

• Exobiology specifically studies life beyond Earth.
• Astrobiology combines biology, chemistry, and astronomy to study life in the universe.

Explanation

Turnip is best described as a napiform root

This shape is characterized as being swollen or spherical at the base and abruptly tapering towards a point at the apex

Explanation

Oxygen constitutes about 21%, or more precisely 20.95%, of the Earth's atmosphere by volume

Present about one-fifth of the air.

Supports respiration.

Needed for combustion.

Maintains balance in the atmosphere.

Explanation

Ethnology is the branch of science that deals with the study of races, cultures, and ethnic groups of humans.

The study of human races, particularly their physical characteristics, origins, and distribution