The pattern of leaf arrangement on a stem is called  

A.  protodermis.
B.  phyllotaxy.
C.  nodular termini.
D.  meristematic spacing.
E.  axillary arrangement.


B.  phyllotaxy.
Phyllotaxy refers specifically to the arrangement of leaves on a stem.

Biology & Microbiology

You might also like to view...

You are studying meiosis in an organism where 2n= 28. How many chromosomes will be present in each cell after meiosis I is complete but before meiosis II begins?  

A.  7 B.  14 C.  28 D.  56 Clarify Question  · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean?   Gather Content   · What do you know about meiosis? How does it relate to the question?   Consider Possibilities     · What other information is related to the question? Which information is most useful?   Choose Answer   · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?     Reflect on Process   · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

When the coronary arteries become narrowed and blood flow to the heart is reduced, a person may experience cramping chest pain upon exertion, prior to a heart attack or death of cardiac muscle tissue. This condition is called ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Fragmentation is a method of reproduction in the 

A. flatworm. B. earthworm. C. roundworm. D. sponge.

Biology & Microbiology

Yaws is a serious skin disease of children in tropical countries, caused by Treponema pertenue, a species closely related to the bacteria that cause syphilis. Individual cells of T. pertenue are helical, relatively long, and flexible like the one pictured below. These cells are known as _____.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology