Biology, 01.01.2020 06:31 princess239
The first organisms evolved on earth around 4 billion years ago. the fossil record indicates that the first organisms were which of the following? a. plastids b. prokaryotes c. mitochondria d. eukaryotes
Answers: 1
Biology, 22.06.2019 00:00
In which situations is the principle of cross-cutting relationship useful in determining relative age?
Answers: 2
Biology, 22.06.2019 03:30
Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent
Answers: 1
Biology, 22.06.2019 19:40
1. mendel observed that pea plants had traits, such as color, that were either “one or the other,” never something in between. discuss the correlation between mendel’s factors, what they might be, and why pea plant traits come in one form or another—e.g., gray or dark red—rather than blended.
Answers: 1
Biology, 22.06.2019 21:30
Through wich tissue do sugar get transported to reach the leaves during growth and reproduction
Answers: 2
The first organisms evolved on earth around 4 billion years ago. the fossil record indicates that th...
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