Answer:
d. The species diversity of plot 2 is greater than that of plot 1.
Explanation:
Species diversity of an area depends on its species richness and species evenness. Species richness is the number of species present in that area. Species evenness measures how evenly these species are distributed.
Here, both plot 1 and plot 2 have same number of species. They both have four species of trees ( maple, birch, oak and pine) hence their species richness is same. However plot 1 has 85% maple trees and the rest three species make the remaining 15%. Plot 2 has more even distribution as 35% of trees are maple trees and birch and oak also have similar frequency with 25% and 35% respectively. Hence, plot 2 has more evenness.
Species diversity depends on both richness and evenness. Since plot 1 and 2 have same richness but plot 2 has more evenness, plot 2 has more species diversity than plot 1.
Answer:
The child is suffering from measles which is caused by the measles virus. It is also known as rubeola.
Explanation:
The infection is measles because the child is suffering from sore throat, headache, high fever and a cough. White spots with red margin also develop on the mucous membrane of the mouth after a couple of days. These symptoms are seen in measles infections.
The white spots which develop inside the mouth are known as koplik’s spots.
The measles is an airborne disease and spreads through the cough and sneezes of a person who is infected with it. Measles is very contagious . The measles virus spreads in the body for 10-14 days after infection, then mild fever, cough and runny nose lasts for 2-3 days. In the next few days , the rash spreads over the body and there is high fever.
Learn more about measles here:
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It would be called symbiosis
Answer:
grinding
Explanation:
The streams are very powerful agents when it comes to erosion. With their power and chemical composition, the streams manage to erode the rocks easily and even the hardest rocks experience significant changes or are totally destroyed over time. The water of the streams manages to break down the rocks into small or big pieces, and as it does it moves them away. The rocks that are carried are constantly colliding with other rocks along the way, causing even more pieces to break and to be eroded, thus the grinding type of stream erosion.
It is used to produce glucose molecules
