C4 plants have evolved different photosynthetic mechanisms. These plants _____.

a. are adapted to living in cold, wet climates where there is no water shortage
b. conserve water more efficiently by shutting their stomata during the day
c. fix CO2 into a four-carbon compound instead of a three-carbon compound
d. do not fix CO2 through the Calvin cycle
e. fix O2 instead of CO2


Answer: c. fix CO2 into a four-carbon compound instead of a three-carbon compound

Biology & Microbiology

You might also like to view...

Axillary buds _____

A) are produced by the cork cambium B) have dormant meristematic cells C) are composed of a series of internodes lacking nodes D) give rise to secondary xylem E) do not form a vascular connection with the primary shoot

Biology & Microbiology

The primers in PCR are

a. fragments of mRNA. b designed to base pair with mRNA. c. free nucleotides. d. radioactive. e. none of these.

Biology & Microbiology

Which phylum is associated with all of these terms: asymmetry, choanocytes, filter feeding, osculum, and spicules?

a. Porifera b. Nematoda c. Ctenophora d. Nemertea

Biology & Microbiology

Is determined by the rate at which individuals are added to and subtracted from the population.

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

Biology & Microbiology