Natural selection. Have you heard of his finch studies? That will help you to understand natural selection if you need help.
Answer:
The preferable statement will be - D.
D. They show a transitional form between fish and land-dwelling vertebrates.
Explanation:
From the given information we know that the fossil of that type of animal has scales, fins, gills, lungs, a full set of ribs, and limb bones.
This indicates some things such as,
- There is a high chance that the animal was capable of living in both land surface and water.
- Scales, fins, and gills indicate that they were like fish or water vertebrates.
- But lungs, a full set of ribs, and limb indicates that they are showing a transitional form between water and land-vertebrates.
Fungus, plural fungi, any of about 99,000 known species of organisms of the kingdom Fungi, which includes the yeasts, rusts, smuts, mildews, molds, and mushrooms. ... Fungi are among the most widely distributed organisms on Earth and are of great environmental and medical importance.
Answer:
We can find organic material in
<h3>
<em>Top soil</em></h3>
<em>Hope </em><em>it </em><em>will </em><em>help </em><em>:</em><em>)</em>
Answer:
A) The role of bacteria fixing nitrogen is very important because it fixes atmospheric nitrogen in the roots of plants. For example, Azotobacter is a bacteria which lives in the root of the higher plants. The bacteria fixes nitrogen for the plant and the plant gives habitat and food to the bacteria and hence, both get benefit.
B) Nitrifying bacteria are the bacteria which converts ammonia into nitrates. Examples are Nitrosomonas and Nitrobacter.
C) Denitrifying bacteria is a type of bacteria which converts nitrates into atmospheric nitrogen. Examples are Serratia and Pseudomonas.
