Glue secreted by seaweed or barnacles is an adaption to which of the following environments?

deep ocean

rocky intertidal

shallow oceanic

sublittoral

The correct answer is B. Rocky intertidal.

Explanation

Adaptation to the environment is a term used to refer to the different means that organisms use to adapt to and survive in an environment. For example, humans have developed different means to adapt to the different climatic and environmental characteristics of the world. In the case of the glue secreted by algae and barnacles, it can be said that it is a means of adaptation to rocky intertidal environments, in which the glue is useful for sticking to the rocks of this medium and establishing itself where they find favorable conditions for their life. So, the correct answer is B. rocky intertidal

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.