Mashaal Masha
Mashaal Masha
 Feb 05, 2024
0
Juvenile Plants Found Growing on Bare Ground and in Patches of Vegetation for Five Species
Species Bare ground Patches of vegetation Total Percent found in patches of vegetation
T. moroderi 9 13 22 59.1%
T. libanitis 83 120 203 59.1%
H. syriacim 95 106 201 52.7%
H. squamatum 218 321 539 59.6%
H. stoechas 11 12 23 52.2%

 

Alicia Montesinos-Navarro, Isabelle Storer, and Rocío Perez-Barrales recently examined several plots within a diverse plant community in southeast Spain. The researchers calculated that if individual plants were randomly distributed on this particular landscape, only about 15% would be with other plants in patches of vegetation. They counted the number of juvenile plants of five species growing in patches of vegetation and the number growing alone on bare ground and compared those numbers to what would be expected if the plants were randomly distributed. Based on these results, they claim that plants of these species that grow near other plants gain an advantage at an early developmental stage.
 
Which choice best describes data from the table that supports the researchers' claim?
Difficulty: Hard
A: 

For all five species, less than 75% of juvenile plants were growing in patches of vegetation.

B: 

The species with the greatest number of juvenile plants growing in patches of vegetation was H. stoechas.

C: 

For T. libanitis and T. moroderi, the percentage of juvenile plants growing in patches of vegetation was less than what would be expected if plants were randomly distributed.

D: 

For each species, the percentage of juvenile plants growing in patches of vegetation was substantially higher than what would be expected if plants were randomly distributed.

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