Which of following refers to the process that facilitates plant communities gradually changing over a period of time in order to respond to their environments?
a
development
b
succession
c
growth
d
disturbance

The correct option is B

Succession refers to the process that facilitates plant communities gradually changing over a period of time in order to respond to their environment.

Explanation:

Succession can be described as changes that occur in an ecosystem in response to the changes in the environment or any other disturbances.

Succession can be of two types. 1. Primary succession 2.Secondary succession

Primary succession occurs on lands where there was no life before. With time, plants start to grow here and a community is developed.

Secondary succession occurs on lands that have been destroyed due to any disturbances like a flood or a fire. Over time, new plants start to grow on this land and a community is developed.    

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.