A tracheophyte is a plant that has
a. xylem and phloem.
b. a windpipe.
c. a trachea.
d. the gametophyte as its dominant generation.
d
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In the comparison between a spiral staircase and a DNA molecule, the steps would correspond to
A. sugars. B. hydrogen bonds. C. base pairs. D. nucleotides. E. phosphates.
in a hypotonic solution, the cell will ________ water
Fill in the blank(s) with the appropriate word(s).
In rabbits, there are four alleles at the c locus
Arranged in dominance sequence they are:C (agouti), cch(chinchilla), ch(Himalayan), and c (albino) (a) Is it possible to cross two agouti rabbits and produce both chinchilla and Himalayan offspring? (b) Is it possible to cross two chinchillas and produce 1/2 chinchilla and 1/2 Himalayan? What will be an ideal response?
How has artificial selection been used to shape the characteristics of food producing plants?
What will be an ideal response?