Complete Solutions.pdf 2024-2025
Cell specialization in multicellular organisms allows cells to
a. reproduce.
b. respond to their environment.
c. perform different functions.
d. be less complex. - Answer c. perform different functions.
The most general and largest category in Linnaeus's system is
a. the genus.
b. the domain.
c. the phylum.
d. the kingdom. - Answer d. the kingdom.
Which of the examples shows a response to a stimulus? - Answer c
In science, a hypothesis is useful only if
a. it can be tested.
b. it can be proven incorrect.
c. it is proven correct.
d. the explanation is already known. - Answer a. it can be tested.
A loaf of bread weighs 1362 g. The weight in kilograms is
a. 001362 kg.
b. 1362 kg.
c. 1.362 kg.
d. .01362 kg. - Answer c. 1.362 kg.
How do binomial, or two-part, names compare with early versions of scientific
names?
, a. They are completely descriptive.
b. They are shorter.
c. They are longer.
d. They are in English. - Answer b. They are shorter.
Which SI prefix means one million?
a. giga-
b. kilo-
c. milli-
d. mega - Answer d. mega
Pure science is best defined as the
a. study of the makeup of living things.
b. application of scientific knowledge.
c. use of science to solve human problems.
d. continuing search for new knowledge. - Answer d. continuing search for new
knowledge.
1. Maria is 123 centimeters tall. Her height in meters is:
a. 12.3 m.
b. 0.123 m.
c. 1.23 m.
d. .0123 m. - Answer c. 1.23 m.
2. A researcher is interested in the effects of nitrate and phosphate on plant
growth and sets up an experiment in which groups of five plants are given 1, 2,
and 3 grams of nitrate and 1, 2, and 3 grams of phosphate in all combinations
over a period of one month. The researcher measures plant height and weight at
the end of the experiment. What is missing in this experimental design?