Answer:
As comic is not available, lets try to understand genetic drift generally.
Explanation:
Genetic drift can be described as the changes in the allele frequency or changes in the genotype variations of a population due to certain reasons such as death etc. In genetic drift, a particular genotype of a species starts to decrease, while the other genotype might start to increase. For example, imagine there are 6 colours of rabbits to be seen in a population. An event such as a diseases takes over which results in death of most of the rabbits. Only a few rabbits are left having brown and grey colour. Hence, the genetic drift changes from 6 to only 2.
a spiral ending in a serpent head
These structures have the function to move around.
Option: C
Explanation:
Tortoise is one animal who used to hide its body under a protective shell. To move its body parts take sharp bend and move around. It belongs to reptile family. It has four legs. Turtle's leg only appeared when it move on the land surface. It takes much time to move. Whole body remain under the shed of hard shell.
Turtles easily move into the water. They are good swimmer. They faced difficulties in moving on the ground mainly on undulating surface. They move very awkwardly. Their body weight is very heavy that is one of the problem in crawling.
The answer is A, because the phytoplankton is the foundation of this food web. Without your foundation, "the building will begin to crumble".
