Early seed plants were pollinated by ________, as are present-day conifers.
A. bees
B. beetles
C. water
D. trilobites
E. wind
Answer: E
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What will be an ideal response?
On a very hot day in summer, you go outside and take your temperature, it is 37 degrees Celsius. On another day, this time a very cold day in winter, you go outside and take your temperature, again it is 37 degrees Celsius.
This example illustrates a. adaptation. b. cellular reproduction. c. respiration. d. homeostasis. e. digestion.
Tendons are bands of connective tissue that attach _______ to _______.
A. muscle; bone B. ligaments; bone C. muscle; muscle D. bone; bone E. cartilage; bone
A two-year-old child presents to a pediatric practice with a barking cough and loud wheezing. The parent is alarmed and insists on antibiotics. What is the likely diagnosis, and are antibiotics appropriate?
A) croup / no, most cases are viral B) sinusitis / no, most cases are due to viral infections or irritants C) allergies / no, allergies are caused by irritants and are not infections D) pneumonia / yes, this can be a life-threatening condition and is often bacterial E) epiglottitis / yes, this is a life-threatening bacterial infection