Answer:
Antonie van Leeuwenhoek
Explanation:
Antonie van Leeuwenhoek was a Dutch linen merchant who specialized in grinding glass lenses to ever finer specifications. This grounded glass lenses built at an ever finer specifications was the groundwork for his manufacturing of the microscope that is used for studying and describing various living microscopic animalcules.
Answer:
Genetic variation in species
Explanation:
Answer:
Undergrowth of water plants hypoxia
Low levels of oxygen.
Explanation:
Eutrophication occur when lake or river has adequate nutrients that will encourage the growth of water plants i.e algae which lead to the depletion of dissolved oxygen in the lake. The growth of algae is increased due to availability of carbondioxide or phosphorus or nutrients required for photosynthesis. This result in tainted drinking water,hypoxia and degradation of recreational activities.
Answer:
A heterotroph is any living organism that obtains its energy from carbohydrates and other organic material. In simpler terms, heterotrophs are organisms that cannot produce their own food, therefore they eat other organisms that CAN produce their own food. All animals and most bacteria and fungi are heterotrophic.
Explanation:
Hope this helped
Answer:
This is a scientific model .Water from rivers, seas, ponds, lakes, ... evaporates up high, when cold is high, condenses to form small droplets of water (when they stand close together to form different shapes we call clouds), these small droplets fall on the ground creating rain
