The flower structure that consists of the male reproductive parts is the
A. carpel.
B. stigma.
C. corolla.
D. calyx.
E. stamen.
E. stamen.
You might also like to view...
Two species regularly come into contact and form hybrids that have higher fitness than either of the parental species. What are some likely consequences of regular hybridization between these species? Check all that apply.
_____ evolution of a third species _____ reinforcement of prezygotic isolating mechanisms _____ extincton of one or both of the parental species. _____ increased gene flow between the parental species _____ complete reproductive isolation of the two original species Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about gene flow before speciation? 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?
According to one hypothesis, clay may have
played an essential role in the formation of complex molecules of life. How might clay have participated in that process?
a. by attracting positively charged molecules that became concentrated b. by acting as an enzyme to catalyze dehydration synthesis reactions c. by transferring electrons from one molecule to another d. by acting as a template for RNA molecule production e. by gathering from the sun energy necessary to power reactions of synthesis of complex molecules
When dividing cells are examined under a light microscope, chromosomes first become visible during
a. interphase. b. the S phase. c. prophase. d. G1. e. G2.
Fungi and animals appear to be more closely related to each other than either is to plants __________.
a. because neither of them are photosynthetic= b. based on molecular analyses c. based on similarities in cell structure d. because they moved onto land together e. based on the homologous ultrastructure of their flagella