Animal pollinators are attracted to plants by
a. a pleasing aroma.
b. the appearance of flowers.
c. nectar.
d. all of these
D
You might also like to view...
A cougar investing more time hunting a mountain goat than a jackrabbit is an example of ____
a. a specialist species b. a generalist species
c. optimal foraging theory d. predation e. high prey density
An ecological equivalent is a group that has evolved dependently in the same habitat and displays different adaptations
Indicate whether the statement is true or false
The following are steps in using SSU rRNA molecules to develop phylogenetic trees. Place these steps in the correct order. _____ Count the number of nucleotide differences between each pair of sequences and calculate the evolutionary distance._____ Input data into computer and use appropriate software to construct a phylogenetic tree._____ Align nucleotide sequences to compare._____ Isolate DNA from cells of each organism being tested._____ Amplify the DNA of the SSU rRNA genes of each organism using polymerase chain reaction._____ Determine the nucleotide sequence of the SSU rRNA genes of each organism.
Fill in the blank(s) with the appropriate word(s).
In prophase, ribosomal RNA synthesis stops when the chromosomes condense, and as a result:
A. the chromosomes line up at the equator of the cell. B. the nuclear envelope reforms. C. the nucleolus disappears. D. the chromosomes lengthen.