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

Biology & Microbiology

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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.

Biology & Microbiology

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?

Biology & Microbiology

How has artificial selection been used to shape the characteristics of food producing plants?

What will be an ideal response?

Biology & Microbiology

in a hypotonic solution, the cell will ________ water

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology