Explain how energy enters and travels through most living systems on Earth.Imagine that you are a scientist working with one of the first research teams sent to the planet Mars.
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Explain how energy enters and travels through most living systems on Earth.Imagine that you are a scientist working with one of the first research teams sent to the planet Mars.
BIOLOGY CONCEPTS AND INVESTIGATIONS. MARIELLE HOEFNAGELS. THIRD EDITION
(CHAPTER1) Imagine that you are a scientist working with one of the first research teams sent to the planet Mars. One day, while digging in one of your research plots, you discover something new in the soil. You think it might be alive!
How will you determine whether it is alive or not?
How will you know whether it is a prokaryote or a eukaryote?
How will you determine in which of the three Domains of life it might be classified?
Explain how energy enters and travels through most living systems on Earth.
What is the original source of the energy?
How is energy transferred within living systems? You may answer in written text and/or by drawing and labeling a diagram of a generalized system.
Why are there always more primary producers than there are consumers in living systems?
Include the following terms in your answer: autotroph, heterotroph, decomposers, primary producers, primary consumers, secondary consumers.
Explain why photosynthesis and aerobic respiration are considered to be opposite reactions. Use the following terms in your explanation: exergonic reaction, endergonic reaction, potential energy and kinetic energy.
Hypothesis testing and experimental design:
State an observation about your environment.
List three hypotheses (ideas that you can test) that might explain the mechanism(s) responsible for the phenomenon that you observed.
Choose one of those hypotheses to test. State your null hypothesis.
Design an experiment or a set of observations that you could perform to test your chosen hypothesis.
What would your control group be?
What would your treatment group(s) be?
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