Y chromosome found in males which influence the degree of maleness
Answer:
Cells are considered the basic units of life in part because they come in discrete and easily recognizable packages. That's because all cells are surrounded by a structure called the cell membrane — which, much like the walls of a house, serves as a clear boundary between the cell's internal and external environments.
Answer:
Fiscal policy refers to the use of the government budget to affect the economy. ... Generally, expansionary policy leads to higher budget deficits, and contractionary policy reduces deficits. An expansionary fiscal policy leads to higher budget deficits while a contractionary policy reduces deficits
Explanation:
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<h2>Answer:</h2>
The two reasons are given below:
- Natural selection.
- Lack of food
<h3>Explanation:</h3>
Natural selection is the phenomenon of the evolution in which the organisms able to fit in the changing environment survive while other organism died. Hence the survival if the fittest and then these organisms. Further reproduce to give birth organisms more fit to the changing environment.
The long neck giraffe survive but short neck died. So the population of long neck increased while short neck go extinct.
Other reason is the change of food resource. The food resource change from grass to long trees.
Answer:
a b e
Explanation:
these are all pros of living in groups
