ZOOLOGY EXAM 1 - MULTI CHOICE AND FILL IN BLANK QUESTIONS WITH COMPLETE ANSWERS

ZOOLOGY EXAM 1 - MULTI CHOICE AND FILL IN BLANK QUESTIONS WITH COMPLETE ANSWERS Name all the methods by which an animal can reproduce asexually - Answer-Binary Fission Budding Fragmentation Gemmulation Asexual reproduction - advantages / disadvantages - Answer-ADVANTAGES - Less energy involved (no need to find a mate) - Not as wasteful of resources due to no males - Advantageous in a non-changing environment where fast population growth is necessary DISADVANTAGES - not suited for changing environments that require adaptation due to a lac of genetic diversity Sexual Reproduction - advantages / disadvantages - Answer-ADVANTAGES - Allows for adaptations to better suit the environment (genetic diversity) DISADVANTAGES - Requires more energy - requires mating - wastes resources on males who may not mate A characteristic of science is: - it is not explained by natural laws - its hypotheses are testable - it is not falsifiable - it seeds to define the vitalistic forces of life - Answer-- its hypotheses are testable A cell dies and its complex organic molecules degrade into a mass of simple molecules no more organized than the nonliving matter outside the cell. This feature of life, which is now lost is - growth and reproduction - adaptability - metabolism - irritability - complexity and hierarchical organization - Answer-- complexity and hierarchical organization A molecular pathway in the liver that is responsible for breaking down complex molecules into simple molecules for excretion as wastes is an example of - Answer-catabolism