In the Section "Investigating Life: Genetic Messages from Ancient Ecosystems",an

question 6

Multiple Choice

In the section "Investigating Life: Genetic Messages from Ancient Ecosystems",an alternative hypotheses may explain the figure.Your lab partner states that perhaps mosses didn't evolve until recently,which is why they increase after herbs and shrubs.Which of the following would be the best response to your lab partner?

• A)Mosses were actually the first land plants to appear.
• B)Mosses are better adapted to dry climates.
• C)All land plants appeared at roughly the same time.
• D)If you look carefully at the figure,there were a few mosses present 300,000 years ago with other plants,so they had at least arisen prior to that.
• E)Mammoths probably ate the mosses,so they did not appear until after the mammoths went extinct.

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Definitions:

Subsequent Research

The studies or investigations conducted after a preliminary study to further explore a subject or hypothesis.

Replicated

The process of conducting a research study again to verify its results and ensure reliability and validity.

Schools of Thought

Various approaches or methodologies within a certain discipline or field of study.

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The cognitive process of contemplating, reasoning, or pondering, which involves the manipulation of information to solve problems, make decisions, or engage in creative thought.