Consider the following statements:

1. A niche is specific functional role of an organism
2. No two species can occupy the same niche at the same time

Which of the above is / are correct statements?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

Every organism has a specific functional role in the community, the ecological niche. Choose an organism not discussed in the text or the powerpoints and explain its ecological niche. Be specific.

Which of the following statements is/are completely correct? Select one:

a. Crystal violet is considered a differential stain.

b. Sporulation occurs when there are plenty of nutrients and water available.

c. In a Gram stain, ethanol is used as the mordant.

d. Bacillus species are capable of undergoing sporulation.

e. Endospores are considered reproductive structure. f. Two of the above statements are correct.

Which of the following scenarios would most liekly lead to resource partioning and consequently contribute to ecosystem stability?

a. sympatric populations of the same animal species

b allopatric populations with organisms that share the same niches

c. sympatric population with organisms that share same niches

d. allopatric population of same species