If A + B means A is the father of B; A −B means A is the brother B; A%B means A is the wife of B and A ×B means A is the mother of B, which of the following shows that M is the maternal grandmother of T?

#Question id: 9198

#Unit 9. Diversity of Life Forms

Tropical forests are being converted to farm or pasture land at an alarming rate, and one major focus is on the biodiversity and the impact to these ecosystems. What is a direct benefit to humans that helps explain why these forests need to be preserved?

#Question id: 9196

#Unit 9. Diversity of Life Forms

If all individuals in the last remaining population of a particular frog species were all highly elated, which type of diversity would be of greatest concern when planning to prevent the species from going extinct?

#Question id: 9195

#Unit 9. Diversity of Life Forms

Philippe Bouchet and colleagues conducted a massive survey of marine molluscs on the west coast of New Caledonia. For 20% of the total species that were located and identified, only a single specimen was found. What does that suggest about the diversity of molluscs in this area?

#Question id: 9185

#Unit 9. Diversity of Life Forms

Plants are affected by an array of pathogens. Which of the following is a plant defense against disease?

#Question id: 9186

#Unit 9. Diversity of Life Forms

A pathogenic fungus invades a plant. What does the infected plant produce in response to the attack?

#Question id: 9187

#Unit 9. Diversity of Life Forms

Which of the following are defenses that some plants use against herbivory?