Sean Is Thinking About Creating an Automatic Cat Feeder Similar

question 18

Multiple Choice

Sean is thinking about creating an automatic cat feeder similar to one that he created for dogs.He believes that cats eat several times a day.He also believes that cats can be trained to come to the sound of a slight ding,indicating that a new tray of food has been opened.He has several friends set out small trays of food,sounding a ding to see if cats will associate the sound with curiosity about the food.Sean is in what stage of scientific experimentation?

• A)testing the hypothesis
• B)forming a hypothesis
• C)analyzing data
• D)assessing results

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Definitions:

Hybridization

(1) Interbreeding between members of two different taxa. (2) Interbreeding between genetically dissimilar parents. (3) In molecular biology, complementary base pairing between nucleic acid (DNA or RNA) strands from different sources.

Plant Evolution

The study of the processes that led to the diversity of the plant kingdom, from the earliest forms of life to the vast array of plants we see today.

Mechanical Isolation

A prezygotic reproductive isolating mechanism in which fusion of the gametes of two species is prevented by morphological or anatomical differences.

Sexual Isolation

A prezygotic barrier where different species are unable to mate successfully due to behavioral, physiological, or environmental differences.