Organisms that rely on the consumption of preexisting organic molecules for life are called
A. autotrophs.
B. animorphs.
C. plants.
D. heterotrophs.
E. None of the answer choices is correct.
D. heterotrophs.
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Instinctive behaviors that are performed in exactly the same way every time they are triggered are defined as ____
a. habitual behaviors b. sign stimuli c. conditioned behaviors d. imprinted responses e. fixed action patterns
An example of an autoimmune disorder is
A) hay fever. B) severe combined immune deficiency. C) systemic lupus erythematosus. D) colon cancer.
Fertilization of plant gametes produces a
a. zygote. b. gametophyte. c. spore. d. meiospore. e. multicellular haploid plant.
You take a deep breath and then exhale forcibly. The amount of air leaving your lungs is the ____
a. respiratory reserve volume b. respiratory rate c. vital capacity d. tidal volume e. inspiratory reserve volume