Four of the following statements about crocodilians are true. Which statement is false?
A. They live in or near water.
B. They are predators with sharp teeth.
C. They have a two-chambered heart.
D. They have powerful jaws.
E. They are the closest living relatives to birds.
Answer: C
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The mercury in fish is normally in the form of elemental mercury (Hg0)
Indicate whether the statement is true or false.
A plant species where each plant makes some flowers that are male and some that are female is called
a ____ species and always has ____ flowers.
a. monoecious; complete b. dioecious; imperfect c. dioecious; complete d. monoecious; imperfect e. monoecious; perfect
The bulk of an herbaceous eudicot root consists of loosely arranged parenchyma cells in the:
a. endodermis. b. pericycle. c. epidermis. d. cortex. e. periderm.
Assuming a cell can use glucose as an energy source in fermentation, aerobic or anaerobic respiration. Which of these processes will provide the most ATP to the cell?
a) fermentation b) aerobic respiration c) anaerobic respiration d) they all provide the same amount of ATP to the cell