Biology, 29.07.2019 13:30, Katepratt7637
Pre-australopiths experienced environmental cooling that, over thousands of years, converted large parts of their african habitat from forest to savannah grassland. which adaptation emerged during this time to become one of the key distinguishing characteristics of our ancestors
Answers: 1
Biology, 21.06.2019 20:00, zaratayyibah
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 01:30, vetterk1400
Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.
Answers: 1
Biology, 22.06.2019 13:00, Bradgarner772
"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."
Answers: 1
Pre-australopiths experienced environmental cooling that, over thousands of years, converted large p...
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