Podcast
Questions and Answers
Which core in the figure above has the most accurate arrangement of fossils based on the information provided?
Which core in the figure above has the most accurate arrangement of fossils based on the information provided?
- core C
- core D
- core A (correct)
- core B
What factor most likely caused animals and plants in India to differ greatly from species in nearby southeast Asia?
What factor most likely caused animals and plants in India to differ greatly from species in nearby southeast Asia?
- The climates of the two regions are similar.
- India is in the process of separating from the rest of Asia.
- Life in India was wiped out by ancient volcanic eruptions.
- India was a separate continent until 45 million years ago. (correct)
What concept explains the evolution of complex eyes according to the text?
What concept explains the evolution of complex eyes according to the text?
- Through evolutionary history, eyes lose function of vision.
- Complex eyes evolved through a series of steps that benefited the eyes. (correct)
- Mollusc eye's evolution was dependent on vertebrate eye evolution.
- Mollusc eyes evolved from a different ancestor than vertebrate eyes.
How does continental drift explain the uniqueness of Australian fauna?
How does continental drift explain the uniqueness of Australian fauna?
What does the fossil record primarily show about the organisms that lived on earth?
What does the fossil record primarily show about the organisms that lived on earth?
Which method is considered the most accurate for measuring the age of a fossil?
Which method is considered the most accurate for measuring the age of a fossil?
Which type of organism would be most likely to form a fossil?
Which type of organism would be most likely to form a fossil?
Which species would be least likely to appear in the fossil record?
Which species would be least likely to appear in the fossil record?
If a fossil has 1/16 of the normal proportion of carbon-14 to carbon-12, approximately how old is it?
If a fossil has 1/16 of the normal proportion of carbon-14 to carbon-12, approximately how old is it?
Which event does the Cambrian explosion mark in the fossil record?
Which event does the Cambrian explosion mark in the fossil record?
Which of the following is not a characteristic expected in the first animals to have colonized land?
Which of the following is not a characteristic expected in the first animals to have colonized land?
What does a sediment core from an inland sea aim to study?
What does a sediment core from an inland sea aim to study?
Which taxonomy level does the question about the first animals to have colonized land primarily test?
Which taxonomy level does the question about the first animals to have colonized land primarily test?
What is the role of mitochondria in the evolution of eukaryotes according to the text?
What is the role of mitochondria in the evolution of eukaryotes according to the text?
What does the top of a sediment core from an inland sea represent?
What does the top of a sediment core from an inland sea represent?
Which process was favored by natural selection according to the text?
Which process was favored by natural selection according to the text?
What is the main evidence presented against the claim that only microorganisms are found in geological strata older than the Cambrian explosion?
What is the main evidence presented against the claim that only microorganisms are found in geological strata older than the Cambrian explosion?
What feature distinguishes eukaryotic cells from prokaryotic cells based on the text?
What feature distinguishes eukaryotic cells from prokaryotic cells based on the text?
In what way did ancestral photosynthetic eukaryotes provide an advantage to host cells based on the text?
In what way did ancestral photosynthetic eukaryotes provide an advantage to host cells based on the text?
What was the probable origin of the eukaryotic nucleus according to the text?
What was the probable origin of the eukaryotic nucleus according to the text?
What evolutionary event led to the acquisition of mitochondria-like prokaryotes according to the text?
What evolutionary event led to the acquisition of mitochondria-like prokaryotes according to the text?
What does a fossil encased in sedimentary rock without nearby volcanic rock strata indicate?
What does a fossil encased in sedimentary rock without nearby volcanic rock strata indicate?
What does a sediment core removed from the floor of an inland sea allow researchers to locate and study?
What does a sediment core removed from the floor of an inland sea allow researchers to locate and study?
What does the presence of transitional forms with specialized teeth indicate in the context of fossils?
What does the presence of transitional forms with specialized teeth indicate in the context of fossils?
What is the significance of the absence of igneous rocks near a fossil encased in sedimentary rock for absolute age determination?
What is the significance of the absence of igneous rocks near a fossil encased in sedimentary rock for absolute age determination?
Why is radiometric dating of sedimentary rocks considered less accurate than that of igneous rocks?
Why is radiometric dating of sedimentary rocks considered less accurate than that of igneous rocks?
What challenge arises when trying to determine the absolute age of a fossil lacking nearby volcanic rock strata?
What challenge arises when trying to determine the absolute age of a fossil lacking nearby volcanic rock strata?
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