What is the term for a genetic change in a line of descent over time?
a. speciation
b. transformation
c. reproduction
d. evolution
e. mutation
ANSWER: d
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The theory of spontaneous generation was refuted by the work of
A) Louis Pasteur. B) Robert Koch. C) Robert Hooke. D) Antoni van Leeuwenhoek.
What are the adaptations plants have to adapt to life on land?
What will be an ideal response?
Because they are filter feeders, oysters are
most sensitive to pollution levels in their habitat and among the first organisms to suffer if pollution levels become too high. Oysters are an example of ___ species.
a. an endangered b. an endemic c. an indicator d. a threatened e. a conserved
Which meal is high in fiber, low in saturated fats, and high in unsaturated fats?
A) beef, potatoes, and carrots B) eggs and bacon C) black beans, cheese, lettuce, and sour cream D) spaghetti noodles with olive oil and broccoli