Question

QUESTION 11 4b) All animals must get oxygen to their cells. Which of the following organs is NOT involved in this critical function? O lungs O gills O moist cuticle of amphibians O capillary beds liver QUESTION 12 c) Animal reproduction does not include which of the following? spores Ogametes O meiosis fertilization O embryo QUESTION 13 Sa) Extinction of taxa is often the result of interaction with other organisms. Which of the following is an example of an organism-induced cause of extinction? O introduction of tilapia, an exotic species, caused extinction of perch in certain rivers O habitat loss due to hurricane damage O climate change due to a volcanic eruption O movement of tectonic plates O extinction of a population following a flood

Answer 1

4b) All animals must get oxygen to their cells. The organs that is not involved in this function is

Correct option is e. LIVER because all the other organs like lungs, gills, moist cuticle of amphibian and capillary beds are the primary sites of gas exchange in different group of animals except liver which does not contribute to gas exchange.

4c) Animal reproduction does not include

Correct option is a. Spores because this is the part of asexual mode of reproduction and all others gametes, meiosis, fertilization and embryo are part of sexual reproduction.

5a) Extinction of taxa is often the result of interaction with other organisms. Example of organism induced extinction is

Correct option is a. introduction of tilapia, an exotic species caused extinction of perch in certain rivers due to competition. And all others are caused due to natural factors.