Which of the following represents an early stage in primary succession?

a. pine trees
b. moss and lichens on bare rock
c. weedy annual plants in an open field


d. climax species in succession
e. alder, cottonwood, and willow thickets


ANSWER: b

Biology & Microbiology

You might also like to view...

In unicellular organisms and simple multicellular organisms, waste compounds are isolated in a cellular compartment called a ____ and are eliminated by exocytosis

Fill in the blank with the appropriate word.

Biology & Microbiology

Restriction endonucleases break ____ bonds

a. phosphodiester b. ester c. glycosidic d. peptide e. hydrogen

Biology & Microbiology

A regional assemblage of interacting ecosystems is a

A) biome. B) landscape. C) corridor. D) hot spot.

Biology & Microbiology

Nociceptors are a type of chemoreceptor.

Answer the following statement true (T) or false (F)

Biology & Microbiology