C.
Biotic mean alive, so we can cut off the first 2 easily. Aquatic birds eat frogs, so that one is safe for now. A decrease in something parasitic usually helps the population, so D is out too. The only one left is C.
The answer is 'Continuous'
Hope this helped. Good luck!
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>
Answer:
Repetition and replication are alike in that they are both instances of reiteration, or doing something again in the exact same way it was originally
Explanation:
Non polar molecule move across a membrane through simple diffusion, when moving up their concentration gradient. Simple diffusion involves movement of molecules through a membrane without the help of integral membrane protein. These molecules are driven by the force of diffusion. This is different from facilitated diffusion where molecules only move with the aid of integral protein in the membrane.