The ratio of 16O to 18O in seawater over time estimated from deep-sea sediment cores indicates
A) an overall warming trend from about 50 million years ago.
B) an overall cooling trend from about 50 million years ago.
C) cycles of cooling and warming around an average of about 5 degrees C.
D) a remarkably steady global temperature, suggesting that continental drift, not climate change, causes most ecological changes.
Correct Answer:
Verified
Q48: _ provides the first evidence for suspensory
Q49: Although Pierolapithecus shared some derived morphological characteristics
Q50: The first hominoid, known as Proconsul, appeared
A)
Q51: Which of the following characteristics did the
Q52: Compare and contrast the three families of
Q54: Why is it important to consider continental
Q55: Which of the following statements is true
Q56: Give an example of absolute dating and
Q57: Where and in what kind of environment
Q58: Discuss the different hypotheses that the chapter
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents