In the following diagram, four different index fossils are labeled:
In this diagram, from top to bottom, an index fossil from the Jurassic period is labeled A, an index fossil from the Permian period is labeled B, an index fossil from the Devonian period is labeled C, and an index fossil from the Cambrian period is labeled D.
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Which of the labeled fossils comes from the oldest organism?
A
B
C
D
Answers: 1
Biology, 21.06.2019 20:30, ivetter5333
Autotrophs a. consume their food to get energy b. may use photosynthesis to gain energy c. are also called consumers d. cannot use solar energy
Answers: 2
Biology, 22.06.2019 17:30, fordkenae
The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes
Answers: 1
In the following diagram, four different index fossils are labeled:
In this diagram, from top to bo...
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