You are researching the adaptations of a newly discovered mammal that is active mostly at night. Which adaptation to the eye would you expect to find?
A) A reflective choroid behind the retina
B) Thicker vitreous humor behind the lens
C) Crustacean flattened cornea resulting in farsightedness
D) Many individual light-sensitive subunits in each eye
E) An eyespot that can only discern light from dark
A
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The methanogenic archaeans are ____ that pull electrons from ____
a. chemoautotrophs; oxygen b. chemoheterotrophs; carbon dioxide c. chemoautotrophs; water d. chemoheterotrophs; methane e. chemoautotrophs; hydrogen gas
Steroid hormones typically move across the cell and nuclear membranes to bind to receptors in the nucleus
Indicate whether the statement is true or false
What is the difference between organic and inorganic fertilizers?
A) Organic fertilizers are carbon-based and are made from decomposed plant and animal wastes; inorganic fertilizers lack carbon and are produced by an industrial chemical process. B) Inorganic fertilizers are carbon-based and are made from decomposed plant and animal wastes; organic fertilizers lack carbon and are produced by an industrial chemical process. C) Organic fertilizers are carbon-based and are produced by an industrial chemical process; inorganic fertilizers lack carbon and are made from decomposed plant and animal wastes. D) Inorganic fertilizers are carbon-based and are produced by an industrial chemical process; organic fertilizers lack carbon and are made from decomposed plant and animal wastes.
Which of the following behaviors involves the LEAST learning?
A. A lion capturing its prey B. A newborn human grasping something placed in its hand C. A mouse finding food in the kitchen of a house D. A mockingbird singing the song of a different species E. A chimpanzee finding its way through a forest