Two trophic levels
Typically there are three or four trophic levels in a community because after this point, it becomes very hard to sustain organisms. The amount of energy lost at each trophic level makes it harder and harder to sustain life.
Answer:C
Explanation:The answer is c because the loss of an island does not add or decrease erosion while all the others do
Your answers should be answer choices A.) The Nile River deposits fertile soil in the delta and E.) The Nile River supplies water and nutrients to the delta. Each of the other answer choices either are false (In the case of choice D), or would be harmful to life, such as depositing salt and eroding the delta. Hope this helped!
It is 4 because you need to add the 0's
The probability of obtaining a yellow-fruited plant from the cross is ¼ or 25%.
<h3>WHAT IS A HETEROZYGOUS CROSS</h3>
A heterozygous cross is a cross between two individuals that are heterozygous for two genes.
According to this question, white (W) fruit color is dominant over yellow (w). If two white-fruited individuals with genotypes that are unknown are crossed i.e. Ww × Ww.
The offsprings of this cross are as follows:
Therefore, the probability of obtaining a yellow-fruited plant from the cross is ¼ or 25%.
Learn more about heterozygous cross at: brainly.com/question/14109187
