If the xylem in a young tree is damaged, which process is first affected? a) performing photosynthesis

b) absorbing water from the soil

c) transporting sugar to the roots

d) transporting water to the leaves

The right answer is B) Absorbing water from the soil.

The xylem allows the circulation of the raw sap (water and mineral salts) drawn from the soil by the roots. The circulation is vertical and in the tracheids the presence of a transverse wall causes circulation in a chicane. The xylem also has a supporting role.

The differentiation of procambium is centrifuged in the roots and centripetal in the stems. This difference makes it possible to distinguish a root from a stem.

The secondary xylem, or wood, is characterized by a radial alignment of its cells due to the operation of liberalis cambium (secondary meristem): it is formed in the internal position with respect to cambium and leads to the formation of vessels, fibers, parenchyma vertical and horizontal.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

if the hares very faster than they are now, and thus the lynx's hunting success rate drops because it will be harder to catch them, the rate that will change will be the pray-rate. the pray-rate will change because more hares will be able to survive, thus more individuals for reproduction, so the end result will be increasing population of hares.

the predator-rate will remain pretty much the same because there will be more than enough pray, but the hunting success rate is stagnant.