Diseases that were common in swampy and marshy area, including Dengue and Malaria were especially common. The environment of the area tends to attract a lot of mosquitoes which are known to be vectors of such dangerous diseases.
They are eukaryotic and don't move, plants are autotrophic - making their own energy - and have cell walls made of cellulose, but fungi are heterotrophic - taking in food for energy - and have cell walls made of chitin.
Are there choice options given? if not, the answer would be a limiting factor
Answer:
yes
Explanation:
as the atrium contracts , blood flows from your right atrium into your right ventricle through the open tricuspid valve. when the ventricle is full, the tricuspid valve shust . this prevents blood from flowing backward into the right atrium while the ventricle contracts
