QUESTIONS ANSWERS.
1. Domain Eukarya contains animals, plants, protists, and fungi. - Correct
answer-True
2. The process of keeping internal conditions constant is known as -
Correct answer-Homeostasis
3. The levels of biological organization, in order from least complex to most
complex, are: biosphere, ecosystems, communities, populations, organisms,
organ systems, organs, tissues, cells, atoms, molecules. - Correct answer-
False
4. A new species has been discovered. Individuals of this species are
multicellular eukaryotes that obtain nutrients from decomposing organic
matter. In which domain should this species be classified? - Correct
answer-domain Eukarya
5. Communities are more complex than populations. - Correct answer-true
6. What is the lowest level of structure that can perform all activities
required for life? - Correct answer-cells
, 7. A tentative explanation of an observation is - Correct answer-hypothesis
8. A collection of hypotheses that have been repeatedly tested without
rejection is called a - Correct answer-theory
9. The three domains of life are: - Correct answer-Eukarya, Archaea,
Bacteria
10. What is the difference between hypothesis and theory? - Correct
answer-A theory is much broader in scope than a hypothesis and is
generally supported by an accumulation of extensive and varied
evidence.
11. Describe one theory that unifies biology as a science. - Correct answer-
The theory of evolution by natural selection unifies biology as a science
because it accounts for the unity and diversity of life on Earth. This theory
states that there is an overproduction of offspring and competition for
resources, and variation exists among individual offspring. Unequal
reproductive success (natural selection) among these offspring is the
mechanism of evolution.
12. What are the steps used in the scientific method? Use an example to
illustrate the steps of the scientific method. - Correct answer-
a)Observations, Question, Hypothesis, Prediction, Test, Revise hypothesis