Calculate the number and percentage of eukaryotic species that are still to be formally described.

Option A : the fern transitined from gametophyte generation to sporophyte generation.

Answer:

Effective food supply was most likely an effect on society that resulted from improvements in blood handling during World War I and World War II.

A spring is a natural discharge point of subterranean water at the surface of the ground or directly into the bed of a stream, lake, or sea. Water that emerges at the surface without a perceptible current is called a seep. Wells are holes excavated to bring water and other underground fluids to the surface.

The image shows a cross-section of land scape.

Angelica suffers from lupus disease.people with this disease are extremely sensitive to sun light.

A scientist look for in a plant that would identify it as a club moss rather than a liverwort.

Astronomers are able to detect the dimmer star because its gravity causes the bright star to . Astronomers can also spot the dimmer star by observing a phenomenon called a(n) binary.

Fungi are a food source for animals and humans. Fungi produce oxygen to breathe. Fungi destroy rocks and minerals. Fungi are natural recyclers.

when soaked in dilute sodium chloride solution onion gain mass because of the process of osmosis.

 Explanation: Osmosis is a process when there is movement of water from the region of comparatively higher concentration to the region of lower concentration across in a permeable membrane.

Example with explaination :

when soaked in dilute sodium chloride solution onion gain mass because of the process of osmosis. Explanation: Osmosis is a process when there is movement of water from the region of comparatively higher concentration to the region of lower concentration across in a permeable membrane.

The processes of conduction, convection and radiation help distribute energy on earth...