A symbiotic association between a fungus and a green alga or a cyanobacterium is called a  

A.  lichen.
B.  mycorrhiza.
C.  protist.
D.  kelp.
E.  mushroom.


A.  lichen.

Biology & Microbiology

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The growth of a new plant on the margin of a leaf that eventually falls to the ground and grows independently is an

example of ____.

a. fragmentation b. protoplast fusion c. somaclonal selection d. grafting e. apomixes

Biology & Microbiology

Though you were not on earth at the time, if you had to predict the method of reproduction utilized by the earliest organisms on this planet, which of the following choices would you select?

a) alternating between sexual and asexual reproduction b) reproduction by duplicating their DNA material and dividing in two c) sexual reproduction as it is seen in current eukaryotic organisms d) None of the above are correct; the earliest organism most likely did not reproduce. e) None of the above are correct, a combination of fission and fusion occurred.

Biology & Microbiology

What are some characteristics of polyploidy plants?

a. They tend to be weaker and smaller than diploid plants b. They tend to be bigger and stronger than diploid plants c. They tend to be weaker, but bigger than diploid plants d. They tend to be smaller, but stronger than diploid plants

Biology & Microbiology

Insect workers propagate more of their own alleles by helping their mother reproduce rather than by reproducing themselves; thus, they share a larger fraction of their ________ with the next generation.

A. home B. ability to defend their nest C. food resources D. time E. genome

Biology & Microbiology