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Semester Review 1
Test Description: Over questions 1-13 on the semester review.
Instructions: Answer all questions to get your test result.
1) Living things adjust to a stimulus by a reaction called a ___________.
A
Response
B
Instinct
C
Reaction
D
Adaptation
2) All living things ______________ to make more living things.
A
replicate
B
are happy
C
reproduce
D
adapt
3) The steps commonly used by scientists in gathering information to test hypotheses and solve problems are called __________.
A
Conclusions
B
Evaluation
C
Experiment
D
Scientific Method
4) A testable explanation for a question or problem is a(n):
A
Hypothesis
B
Explanation
C
Conclusion
D
Problem
5) Sea stars live in saltwater ecosystems. Some species live in shallow tide pools, while others live in the deepest parts of the oceans. This is a description of the ________ of the sea stars.
A
Niche
B
Ecosystem
C
House
D
Habitat
6) Cougars are predators that often eat weakened or diseased animals. This is a description of the ______ of the cougars.
A
Decomposers
B
Predator
C
Niche
D
Heterotroph
7) Biodiversity is __________
A
Having the most different number of organisms
B
Having the largest number of organisms
8) Water dissolves many ionic and molecular compounds because of its ____________.
A
Wetness
B
Clear color
C
Osmosis
D
Polarity
9) The various enzymes in our bodies are _________.
A
Nucleic Acids
B
Lipids
C
Proteins
D
Carbohydrates
10) How do glucose and fructose, who have the same molecular formula, differ?
A
They are exactly the same
B
Different Origin
C
Different Structure
*select an answer for all questions
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