Answer:
Yes, DNA is a genetic material because it is passed down through the genes of your parents on to you which creates the traits that make you unique.
Explanation:
Answer: The tracheids have important functions in the plant.
Explanation: The mechanical support is provided by the lignified walls of tracheid cell. the helps in other functions of the plant such as transporting water and getting the solute from the root to the stem and eventually the leaf of the plant.
The tracheids are most useful in the gymnosperms where elements need to be transported.
Identifying a tracheid in a cross section is quire easy as the tracheid cells fit into each other neatly and piled up similarly and have identical shapes as well which makes them obvious from other cells.
The two examples of tracheid plans could be
The most common thing that could be found in traceid plant is that this cells are mainly present for transporting either water other solutes in the plant body.
The are six essential nutrients that are needed for the human body. n essential nutrient is a nutrient that the body cannot synthesize on its own. These nutrients are carbohydrates, protein, fat, vitamins, minerals and water. Hope this answers the question.
C. Vegetation
because even though cows are important, all life is and not just that species and then cars and factories are unnatural and would not be critical for the carbon cycle in nature.