1859
On the Origin of Species (or more completely, On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life), published on 24 November 1859, is a work of scientific literature by Charles Darwin which is considered to be the foundation of evolutionary biology.
Answer:
Ionizing radiation comes from these main sources:
Nuclear reactions in the Earth's sun and stars in space.
Radioactive decay in the body's tissues and in the soil.
Radioactive decay of unstable elements in rocks, especially rocks that contain radium and release radon gas.
Other examples of ionizing radiation include alpha, beta, and gamma rays from radioactive decay.
The answer is Vacuoles. After water enters this cell through the osmosis, it expands to absorb water and contract to release it.
Reaction toactivation energy biological cells
Answer:
Frogs do have gills as well as fully developed lungs which help them to survive both on land and underwater. On the other hand, tadpoles have chubby bodies, long tails and they do not look like a frog eventually in which they turn into. Their lungs take time to develop but once developed they too can live on land.
Explanation: