Which of the following was not an adaptation for animals to live on land?
a. internal fertilization
b. egg shell
c. embryo development within the female
d. external respiratory surfaces
e. skeletal system and muscles
D
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Which of the following is true for this reaction?
A) The reaction is nonreversible. B) Hydrogen and nitrogen are the reactants of the reverse reaction. C) Hydrogen and nitrogen are the products of the forward reaction. D) Ammonia is being formed and decomposed simultaneously. E) Only the forward or reverse reactions can occur at one time.
Pathogenic organisms are transmitted through a variety of routes including all of the following except:
a. eating. b. sexual contact. c. contaminated food. d. respiratory droplets.
An example of an ectotherm is a(n) ____
a. elephant b. lizard c. owl d. bat e. human
Order the following structures (layers) that a small molecule must pass through as it moves from outside of an encapsulated gram negative cell to the cytoplasm. _____ Periplasm and Peptidoglycan _____ Plasma membrane _____ Capsule _____ Outer membrane
Fill in the blank(s) with the appropriate word(s).