Question 8 of 10
2 points
which of the following would be considered a source of error in an
experiment?
o
a. the mice in the experimental group did not always drink the
orange juice that they were given.
o
b. half of a liquid sample was spilled when it was poured from the
graduated cylinder into the beaker.
o
c. the measurement was recorded in the wrong place in the data
table.
o
d. the collected data did not to answer the research question.
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What is thought to have caused the mass extinction at the end of the cretaceous period?

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. threat method number of species that benefit number of years to see benefit habitat fragmentation reforestation 450 8 introduced prey species biological augmentation 150 2 which statement is an accurate explanation of the information in the table? a. biological augmentation would benefit only a few species because it is typically not very effective. b. biological augmentation would take less time to be effective because it targets the majority of prey species. c. reforestation would take the longest time to be effective because trees take several years to grow. d. reforestation would not benefit many species because most forest species live on the ground.

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.