What do different scientific theories about how life began on Earth in common? -early Earth had to warm considerably after it's formation before it could support life
-early life was aquatic because all of Earth was initially covered by ocean
-a seed of life was started thorough meteorite bombardment
-Carbon based molecules formed in an oxygen poor environment

Types of scientific inquiry that biologist engage in that cannot be completely controlled

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !