In the flower diagram shown above, the item labeled "2" is a(n)
a. sepal.
b. anther.
c. receptacle.
d. petal.
e. ovule.
A
You might also like to view...
What are some of the changing things in our current world that the author claims we are not well adapted to yet?
A. Computer screens B. Junk food C. Sterile environments D. 24 hour schedules E. None of the above (A-D) F. Some of the above (A-D)
What other information is related to the question? Which information is most useful?
What will be an ideal response?
The lac operon in E. coli shares many similarities with a pigment protein gene in a rose plant. What statement below is not true of both the lac operon and the pigment gene?
A. Both the operon and the pigment protein gene require promoters. B. The answer stating that both are multiple genes, and that the lac operon codes for lactose are incorrect. C. The lac operon codes for lactose, while the pigment gene codes for a protein. D. Both the operon and the pigment protein gene include the template DNA sequence. E. Both the operon and the pigment protein gene are made of multiple genes.
How do exposed layers of sedimentary rock in the Grand Canyon reveal clues about the geologic time scale?
a. The chemical composition of each layer indicates the conditions on Earth when the layer was deposited. b. Fossils of soft-bodied animals are prevalent in sedimentary rock. c. Radiometric dating using 14C of fossils in each layer can accurately predict their age up one million years ago.
d. The chemical composition of each layer can be determined by radiometric dating. e. The oldest fossils are found near the surface, while the most recent fossils are found at deeper layers.