Explanation

The stamen is the male reproductive organ.

It consists of a pollen anther and a long supporting filament.

Explanation

 Louis pasteur denied theory of spontaneous generation n explained that life comes from pre existing life sources.

life did not come from presterilised flask but Louis Pasteur showed that in flask open to air, new living organisms appeared in the heat killed yeast culture.

Explanation

White blood cells, also called leukocytes are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

The lifespan of white blood cells ranges from 13 to 20 days

Explanation

The respiratory system consists of air-filled tubes or tracheae, which open at the surface of the thorax and abdomen through paired spiracles. 

Explanation

Explanation

Explanation

James Watson is an American molecular biologist, geneticist, and zoologist.

In 1953, he co-authored with Francis Crick the academic paper proposing the double helix structure of the DNA molecule. 

ND13-07-2023

Explanation

The color of water varies with the ambient conditions in which that water is present.

Explanation

Bacteria are microscopic, single-celled organisms that thrive in diverse environments.

Explanation

Most  eucalyptus trees grow much faster than other trees

Some eucalyptus species can grow 6 to 12 feet per year. 

Eucalyptus trees thrive in warm climates with sufficient water and sunlight. 

Eucalyptus trees are widely cultivated for their timber, essential oils, and ornamental value.