The both decrease genetic variation
Answer:
In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.
Fossil Fuels and Continental drift support the idea that once continents were together.
Explanation:
- Fossil fuels like plants, animals and rocks are of the identical features were found in the two different continents. For example, identical rocks found in the two sides of the Atlantic ocean, even the mountains in two different continents formed of the identical rocks.
- The next one is fossils of the seed fern Glossopteris is found across all the southern continents. Hence, there is continental drift happened which caused the separation of continents.
The brain the moat important part of the nervous system, as it controls every thing you do
an increase in the spider and insect population
