Biology, 12.02.2022 05:10 F00Dislife
Examine the phylogenetic tree of eukaryotes above, which includes the Plants, Animals, Fungi and Protists. Several groups have multicellular members, including the Fungi, Animalia, Plantae, Rhodophyta, Chlorophyta and Brown Algae. If you assume that multicellularity was never lost in any group (i. e., if the ancestor developed multicellularity then each of its descendants was also multicellular), what is the minimum number of times multicellularity must have evolved to generate this pattern
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Biology, 21.06.2019 19:30
What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true
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Biology, 21.06.2019 20:00
Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data
Answers: 1
Biology, 22.06.2019 03:30
When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it
Answers: 1
Examine the phylogenetic tree of eukaryotes above, which includes the Plants, Animals, Fungi and Pro...
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