Biology, 23.02.2020 01:05 jennaaswad088
Over a long period of time, helpful variations in a species replace the unfavorable ones. This change can lead to
fossilization.
evolution.
geographic isolation.
genetic mutations
Answers: 1
Biology, 21.06.2019 20:00
Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area
Answers: 1
Biology, 21.06.2019 20:00
Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.
Answers: 2
Biology, 22.06.2019 04:00
Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.
Answers: 2
Biology, 22.06.2019 05:30
Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?
Answers: 2
Over a long period of time, helpful variations in a species replace the unfavorable ones. This chang...
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