There have been major developmental milestones in Earth’s history as well as mass extinction events. Do a little research on an organism that has gone extinct because of human impact. Answer the following questions: What is the organism?
Where was it found?
What caused it to become extinct?

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

How does natural selection change thephenotypes within a population over time?

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance