To confirm the above hypothesis, Maria should perform an experiment to prove that xylem is responsible for the transport of coloured water through the plant. This is called the ascent of sap.
A suitable plant having a tender, semitransparent stem should be selected. The root system of the plant should be cut off and the twig has to be placed half-immersed in a coloured solution of water for about one hour. Later, when the plant is observed, parallely running streaks of coloured water can be seen through the semitransparent stem and other parts of the plant indicating that the xylem is involved in the upward movement of water.
Answer:
C. metals
Explanation:
Elements in the periodic table are grouped into metal and non-metals depending on their characteristics. Metals usually possess the following characteristics:
- High melting and boiling point
- Brittle i.e. ability to break
- lustre i.e. ability to shine when polished.
- Good conductor of heat and electricity
Based on this above characteristics, element Q in this question is a METAL because it posseses the same qualities that a metal does.
Answer:
please put a picture of the work you have to do so i can help you
Explanation:
Explanation:
Whereas primary tissues allow for vertical growth, secondary tissues allow for lateral growth: they allow stems and roots to become wider. In roots, the formation of both secondary meristems involves the pericycle.
Answer:
Pacemaker cells are located in the <u>sinoatrial node.</u>
Contractile cells are located in the <u>Heart</u>
Explanation:
