Answer: elevation, landforms
, relief
Explanation:
Area's topography can be defined as the physical features with which the area of the land is associated with. These features are mountains, lakes, valleys and rivers.
The following are the elements of the parts of the area's topography:
Elevation: The elevation describes the height above the given level. This can be used to measure the height of the mountain.
Landforms: Landforms are the features of the Earth's surface that includes the parts like hills, plains and mountains.
Relief: A relief gives an idea of elevation from the concerned point in a landform.
Natural selection acts directly on those gene variations for traits or phenotypes.
The phenotype of an organism is the physical characteristic and is determined by the organism's genotype. Natural selection selects the genes that produce a certain phenotype by providing suitable conditions for a certain phenotype.
Answer:
Halophiles of Archaea domain
Explanation:
The Archaea are characterized as single cells. They can exihibit both the autotrophic and heterotrophic mode of nutrition. Their cell walls do not contain peptidoglycans but contain pseudo-peptidoglycans etc. Their environmental conditions also need to be known to give a definitive identification and also are their organelles membrane bound.
A very acidic pH level is 1, and a very basic pH level is 13.