In angiosperms, the male gametophyte develops within ________
A) male cones
B) filaments
C) anthers
D) stigma
C
You might also like to view...
Smooth muscle and striated muscle have distinct mRNA forms for some genes due to ____
a. aminoacylation b. alternative splicing c. polyadenylation d. degeneracy e. exon shuffling
One byproduct of the noncyclic pathway used by early autotrophs was the ________
a. extinction of many early anaerobes b. all of the choices c. development of the ozone layer d. enrichment of the atmosphere with oxygen
Answer the following statements true (T) or false (F)
1.The renal artery delivers blood to the pancreas. 2.The sinoatrial node, also called the pacemaker, sets the tempo of the heart beat. 3.An irregular heartbeat in which the ventricles do not fill completely could be due to a malfunction in the atriventricular node. 4.Capillary beds are networks of capillaries that connect arterioles and venules. 5.Blood clotting is prompted by signals from the central nervous system.
A large stand of aspen trees may be a group of genetically identical individuals produced by vegetative reproduction. Such a collection of individuals is called a
A. Family B. hybrid C. Clone D. genus E. Community