Question: Male dogs use pheromones in urine to mark their territory, and coyotes maintain their territory by marking it with urine. Given these facts, what use pheromones in urine to maintain their territory among the following options: - baby dogs - bears - rabbit - Male dogs - girl puppies - mammals - female dogs - animals
Answer: Male dogs

Question: Invertebrates are animals that lack a vertebral column, or backbone, and lobsters are invertebrates, animals without a backbone. Given these facts, what do lobsters lack among the following options: - heat energy - Stomach - a cuticle - Claws - backbone - Eyes - the skin - Chlorophyll
Answer: backbone

Question: Mollusks are invertebrates such as the common snail, and abalone are marine snails. Given these facts, which is an invertebrate mollusk among the following options: - ferns - Newton - a fish - Ant - tortoises - Swordfish - Abalone - Crab
Answer:
Abalone