Answer:
Gravity and inertia work together to keep the planets in orbit. The force of gravity pulls the planets toward the Sun because of the extreme mass of the Sun.
and gravity is dependent on the mas of the object and distance between them.
Population growth is the increase in the population number of a given species in a time. Longevity, migration and fertility rates affect population growth.
<h3>What are the factors affecting population growth?</h3>
<u>Increased Longevity</u> has impacted the population growth as the life expectancy has resulted in the accumulation of more people as their age of living has increased.
<u>International Migration</u> can affect the population growth positively and negatively as moving of the person from one region will decrease its population growth while the region where they go will have increased population.
<u>Fertility Rates</u> has a great impact on the population as the fertility rate had decreased due to many factors and the population has declined.
Therefore, option A. longevity option B. migration and option C. fertility rates influence the population growth.
Learn more about population growth here:
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Answer:
Option B
Explanation:
The formal study of fossils, its collection and documentation started in 1700s during the period known as “Age of Enlightenment” It was during this time period that scientist noticed rock fossils and started making fossil collection. During the 1800s, areas with rocks fossils were studied and compared.
Further, Charles Lyell and Charles Darwin showed strong connection between biological evolution and geological evolution of planet earth. Hence, the earlier traces of fossils i.e before a certain period could not be studies due to late pioneering of fossil based evolutionary science. It is also due to limitations with radioactive dating
Hence, option B is correct
Answer:
Branching tree diagrams are groups within groups. Starting at the bottom, organisms branch off as characteristics are added. ... It's in this way that branching tree diagrams are useful for understanding evolutionary relationships between different organisms.
Explanation:
According to disruptive selection, individuals not favored
are those that reproduce less and have middle-sized gametes, while organisms that are favored and have great
traits reproduce more. Disruptive selection is also known as diversifying
selection because this type of selection can divide populations of species. The
organisms with weaker traits eventually separate with the organisms with
stronger traits, and they may be diverse enough to form a separate species.