Biology, 09.05.2021 22:50 ashtonrieper1132
The paleontologist mentions that things have been very different for the last 25 years in collecting specimens. Which steps below do you think are different today? Select two correct answers.
A. Scientists make a cast around the artifact and extract it
B. Scientists extract the artifact at the dig site
C. Scientists dig a big hole around the artifact before digging the artifact directly
D. Scientists must find surface-level artifacts that indicate something of importance to dig further
Answers: 2
Biology, 22.06.2019 06:30
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
Answers: 1
Biology, 22.06.2019 12:00
Matched chromosomes carrying information about the same characteristics in the organism are called
Answers: 1
Biology, 22.06.2019 12:30
Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled
Answers: 1
The paleontologist mentions that things have been very different for the last 25 years in collecting...
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