Answer and Explanation:
Nutrients move from the digestive system into the blood by traveling through villi, tiny tubes sticking out of the wall of the small intestine.
2. In the body's excretory system, urea and water travel from the blood into the kidneys and diffuse into collecting ducts
Answer:
Option C, Each subpopulation is linked to all other subpopulations by dispersal.
Explanation:
Each sub-population with in a metapopulation is not only connected by the dispersal distance travelled by an organism but also by the distance between the patches on which two sub population live. There are several other factors that limitise the concept of connection of subpopulation by dispersal factor and these vulnerable factors are – properties of terrain between the patches and its adverse affect on the dispersal behaviour of dispersing agent/species.
Hence, option C is correct.
Answer:
Deserts
Explanation:
Short for desertification