Biology, 22.04.2020 17:20 DaFuzzyDude
Brody studied the geologic time scale and became interested in the sorts of life that existed in each era.
He learned that scientists dated life in this era using the law of superposition and radioactive dating. Which of the following characterizes the Cambrian period? Choose the three that apply.
A.
all life lived in the sea
B.
invertebrates developed
C.
single-celled life
D.
dinosaurs flourished
E.
organisms with shells and outer skeletons developed
Answers: 1
Biology, 22.06.2019 03:30
Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis
Answers: 1
Biology, 22.06.2019 05:00
Asea turtle has washed up on a remote section of a beach. this known as a stranding occurs when a dead,sick or injured sea turtle washed up on the shoreline. which statment best explain why stranding should be reported immediately to local authorities
Answers: 1
Brody studied the geologic time scale and became interested in the sorts of life that existed in eac...
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