When red blood cells are in a higher concentrated solution, water flows out of the cells faster than it comes in. This results in crenation or shrivelling of the cell.
Fossils could not be found in that layer of rock
<span>the trees need to (a) grow strong roots, (b) develop healthy branches and leaves, (c) have strong flows of sap in their veins, as well as use the nutrients, sun and water to be able to grow beautiful flowers and sweet fruits.</span>
Explanation:
The statistical study of populations and how they change over time is called demography. Two important measures of a population are population size, the number of individuals, and population density, the number of individuals per unit area or volume.