Root growth from the seed growing downwards to provide more sub roots then they grow into a hair like substance it remains attached as the stem is growing up and then it breaks the soil and develops leaves.
Many cacti have roots that spread out widely, but only penetrate a short distance into the soil. In one case, a young saguaro only 12 cm (4.7 in) tall had a root system with a diameter of 2 m (7 ft), but no more than 10 cm (4 in) deep.
In other words they can't penetrate that deep.
It is b density ! Good luck sorry if late
D is the answer cause
A genome is an organism's complete set of DNA including all of its genes. Each genome contains all of the information needed to build and maintain that organism. This is the largest in the given options.
Chromosomes are the threadlike structures located inside the nucleus of animal and plant cells.
The building blocks of nucleic acids are the nucleotides.
A gene is the basic physical and functional unit of heredity. Genes are made up of DNA.
Thus, the correct answer is option (D), 'Genome, chromosome, gene, nucleotide'.
That she grows in a steady rate and doesnt die fast and she remans healthy