Answer: D. increase surface area
Explanation:
- Microvilli are hairs that aid in absorption of nutrients. In the small intestine, these cells contain microvilli, which are tiny hair-like projections that increase nutrient absorption. These projections increase the surface area of the small intestine allowing more area for nutrients to be absorbed.
<span>Although salmonella typhi is known to be a disease caused by the ingestion of infected fecal matter, that fecal matter is often found on food items because of improper hygiene on the part of field workers harvesting crops which are then possible eaten raw. Also it can be passed on by food handlers in restaurants practicing improper bathroom hygiene. But it has been known to be carried in shellfish that were exposed to sewage in the water. So if you had to name a specific food that would be shellfish.</span>
Answer:
Rivers often start from the mountain streams and contain high amounts of oxygen. Rivers and streams grow larger as these waters merge. Rivers pick up sediments from the land as they flow. Lakes support many varieties of organisms, including plants in shallow, open water and wetlands. In shallow water near shore, plankton is covered in water all or some of the time and are found along the edge of lakes and the floodplains of rivers. A deer is nibbling moss on rocks beside a river. Rivers are a major source of water for a variety of animals and plants.
Keywords
- Mountain streams
- Oxygen
- Merge
- Sediments
- Plants
- Wetlands
- Plankton
Explanation:
Freshwater ecosystems are of great importance for the diversity of plants and animals; they are also of the utmost importance for people as they are used in various ways. There are differences between freshwater ecosystems and marine ecosystems; the latter cantains a large number of salts, while the freshwater ecosystem does not provide.
Freshwater ecosystems are made up of rivers, lakes, streams, among others.
<em>I hope this information can help you.</em>
This is false. DNA transcription is the first step in gene expression.