MIDTERM BIOL1001 LSUE JARIEL EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) Watching salt crystals form as ocean water evaporates, a student says, "Look−−more and more crystals are appearing.The ocean water is alive!" Which statement is an accurate evaluation of the student's remark? - Correct Answers ✅The student is incorrect because all of the crystals reproduce the same kind of crystals with no variation to provide adaptation, so the ocean water is not alive.If you eat a hamburger, you are mainly eating ground-up beef muscle. What levels of organization are represented in this ground-up muscle? - Correct Answers ✅organelle, cell, and tissue Is this statement true or false? Energy cycles from organisms through the atmosphere and back to the organisms. - Correct Answers ✅False Which sequence is not a correct pathway of energy through an ecosystem?-insects > birds > bacteria -plants > insects > birds -plants > birds > bacteria -bacteria > plants > birds Submit - Correct Answers ✅bacteria > plants > birds 1 / 4
MIDTERM BIOL1001 LSUE JARIEL EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) To be scientifically valid, a hypothesis must be - Correct Answers ✅testable and falsifiable.A scientist performs a controlled experiment. This means that
- Correct Answers ✅two versions of the experiment are
conducted, one differing from the other by only a single variable.You notice that over the past month, many students on campus have started wearing a new style of school sweatshirt. You think to yourself that perhaps the bookstore has recently started selling this new sweatshirt style. This is an example of a(n) -type of observation -hypothesis -experiment -experimental question - Correct Answers ✅hypothesis A theory is a(n) - Correct Answers ✅Explanation of an idea that is broad in scope and supported by a large body of evidence.When a scientist examined museum specimens of a particular moth species, she noticed that the variation in color was distributed as shown in the first graph. She was 2 / 4
MIDTERM BIOL1001 LSUE JARIEL EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) surprised because her data from current collections indicated the distribution of colors shown in the second graph. Which hypothesis about the cause of this shift in the range of genetic variation is the most likely to be supported by examination of the distribution of colors in a collection assembled at a time between that of the collection of the museum specimens and her current specimens? - Correct Answers ✅Darker moths were more likely to survive and have offspring over time.Which statement provides the best evidence that there is a common genetic code that demonstrates the unity of life?-Many insects can pollinate only a particular species of plant due to many generations of evolutionary adaptation.-Bees, birds, and bats all have wings and fly.-Through genetic engineering, a gene from a firefly can be inserted into a bacterium to make it glow.Submit - Correct Answers ✅Through genetic engineering, a gene from a firefly can be inserted into a bacterium to make it glow.Submit Which statement about ecosystems is false?-In the process of energy conversions within an ecosystem, some energy is converted to heat.-Chemical nutrients cycle within an ecosystem. 3 / 4
MIDTERM BIOL1001 LSUE JARIEL EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) -Plants and other photosynthetic organisms are producers in ecosystems.-Bacteria and fungi recycle energy within an ecosystem.Submit - Correct Answers ✅Bacteria and fungi recycle energy within an ecosystem.Submit The box numbered 2 represents what process? - Correct Answers ✅cycling of matter Submit A hypothesis is - Correct Answers ✅a proposed explanation for a set of observations.The role of a control in an experiment is to - Correct Answers ✅provide a basis of comparison to the experimental group.Life is organized in a hierarchical fashion. What sequence correctly lists that hierarchy from least inclusive to most inclusive?-cell -molecule
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