Karla lists the steps of her scientific analysis in the form of a flow chart. Which step should Karla go back to as a result of her conclusions?

3. Suggests grazing by marine animals is the cause of the difference in height.

Explanation: Because Karla concluded that another factor caused the difference in height, she must go back to where she first suggested the original cause in height difference. In the first step, Karla observes the height difference, in the second step she forms a question, but in the third step Karla forms a hypothesis. Karla now needs a new hypothesis to why there's a height difference, so this is the step she must change

In which of the following relationships is one organism always benefited while the other organism is always harmed

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.

Recently, crops of vegetables such as lettuce and green onions have been contaminated, while they are still on the farm, with bacteria that cause food poisoning. how will science influence the way the government responds to prevent an increase in food-borne diseases? because science has shown that lettuce and green onions are not nutritionally valuable, the government may pass laws that ban the sale of lettuce and green onions. because science has shown that there is no way to prevent bacterial contamination, the government may pass laws that punish businesses that buy lettuce and green onions. because science has shown that the washing of hands prevent the spread of infectious diseases among people, the government may pass laws that require hand washing by everyone who handles food. because science has shown there are ways to find the source of the contamination, the government may pass laws that require farm practices that reduce the contamination of lettuce and green onions.