Analagous structures. For example, both penguins and dolphins have torpedo shaped heads that help them adapt to their enviroments. They were both in different environments, but they developed similar adaptations to increase their ability to survive in their environments.
Explanation:
los seres vivos pueden considerarse sistemas abiertos porque cada ser vivo es un sistema complejo constituido por un conjunto de subsistemas que interactúan y funcionan por un objetivo en común, la conservación y la continuidad de la vida.
Answer:
Some areas are shrinking due to erosion and other areas are growing due to deposition.
Explanation:
Erosion causes masses to shrink and erode, while deposition causes them to build up and grow.
Smooth ER is largely associated with lipids as well as the following:Phospholipids as in plasma membranes, and steroids.So the answer is (B)