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Biology Cumulative Exam Review/25 Accurate Questions and Answers
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Biology Cumulative Exam Review/25Accurate Questions and Answers
The graph shows the changing levels of hormones during menstruation and
ovulation. Which hormone has the most influence on preparing the body for
pregnancy? - -C. Progesterone promotes fertility because its levels rise
during ovulation and immediately after.
- The Great Pacific Garbage Patch is an area in the North Pacific Ocean that
contains trash and causes harm to ocean life and those that consume that
life. What lessons can be learned from this floating pile of trash? - -D. There
is a relationship among all living things on Earth.
- Which describes a disadvantage of social behavior? - -A. Foraging could
increase competition for food.
- Consider the recent phylogenetic tree of five different organisms.
Old classification systems based on physical characteristics would most likely
disagree with the relationship between which two animals in the tree? - -C.
birds and bats
- Scientists group organisms into kingdoms by looking at specific
characteristics. Thermus aquaticus, shown below, is a specialized bacteria
called a thermophile. Thermophiles are microorganisms that can live in
bodies of water that are extremely hot, such as deep sea hydrothermal
vents.
Which characteristic most likely describes a mushroom but not Thermus
aquaticus? - -B. eukaryotic
- What is the main component of the thin filaments in muscle fibers and is
responsible for muscle contraction? - -A. actin
- Consider the cladogram.
Which is the best description of the two organisms highlighted in orange? - -
B. They share a recent common ancestor.
- Which best describes the relationship between two species and a niche? -
-C. Two species cannot occupy the same niche in the same habitat.
- Darius made a diagram to compare and contrast two benefits of social
behavior.
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