Friction and earth quakes
Also called Birth rate. It is the member of children born per 1000 living persons per year.
Answer:
A population ecologist uses many terms while writing his case study. Match each term to its definition.
an indication of the number of individuals of a population and the area that they occupy
population density
an increase in the number of individuals of a species over a period of time, expressed as a percentage
growth rate
the number of live births per 1,000 organisms of a species in a year
Birth rate
the number of deaths per 1,000 organisms of a species in a year
death rate
Explanation:
Answer:- B
Explanation:- Samples of lunar rock and soil brought back by Apollo astronauts proved that the maria are composed of basalt formed from surface lava flows that later congealed. ... The maria basins were formed beginning about 3.9 billion years ago during a period of intense bombardment by asteroid-sized bodies.
Homologous structures hve same structure but perform different functions
analogus structures have diffrent structures but perform same function
