If the energy of the sun no longer reached Earth, the primary productivity of which of the following ecosystems would be least affected?
A. deep sea hydrothermal vent
B. temperate rain forest
C. desert
D. taiga
E. coral reef
A. deep sea hydrothermal vent
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If two solutions have unequal concentrations of a solute, the solution with the lower concentration is called
A. isotonic. B. hypertonic. C. hypotonic. D. osmosis.
An arrowworm is a type of planktonic
a. herbivore. b. detritivore. c. carnivore. d. omnivore. e. filter feeder.
The yeasts whose fermentation reactions produce carbon dioxide that makes bread rise are a type of _____
a. chytrid c. sac fungus b. zygote fungus d. club fungus
Answer the following statements true (T) or false (F)
1. A cladogram depicts species' relationships based on descent from shared ancestors. 2. Each branch on a cladogram is a clade distinguished by characteristics that appear only in its members. 3. A polyphyletic group is a group of species that excludes the most recent common ancestor. 4. A monophyletic group is a group of organisms consisting of a common ancestor and all of its descendants, also known as a clade. 5. Systematics utilizes taxonomy and proposed evolutionary relationships to organize life's diversity into groups that reflect evolutionary history.