A source for alginic acid, a thickening, emulsifying agent found in ice cream, toothpaste, pudding and cosmetics, are the:
a. seed plants
b. ferns
c. brown algae
d. red algae
e. green algae
c
You might also like to view...
Which of the following carbon reservoirs contains the most carbon?
a. atmosphere b. biomass on land c. lakes d. oceans e. soil
Water with abnormally low oxygen levels is known as a(n): a. apoxic zone
b. deoxygenated zone. c. hypoxic zone. d. hyperoxic zone.
The gut cavity may be a fully lined coelom or a partially lined __________. Fill in the blank(s) with the appropriate word(s)
Which of the following describe source-sink metapopulations? (Check all that apply.)A) Sink populations near source populations are less likely to go extinct.B) Sink populations without access to immigrants from source populations are less likely to go extinct.C) Source populations usually occupy better habitats.D) Source populations are less likely to go extinct.E) The emigration rate from source populations exceeds that from sink populations.
What will be an ideal response?