Dr. Levitt is conducting a descriptive experiment where she is counting the numbers of chicks that hatch in one season for a particular species of bird. What is a major benefit of this experiment? A)The relationship does not show cause and effect.
B) It is repeatable.
C) The birds are unaware and unaffected by this study.
D) No relationships can be shown.

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

What are genotypes? what are phenotypes?

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials