*Question*
Answer the following question given this paragraph: Insects have a pair of antennae for "smelling" and "tasting" chemicals. Some insects can also use their antennae to detect sound. Other sensory organs on the head include several simple eyes and a pair of compound eyes. The compound eyes let insects see images. Butterflies and bees can even see in color. For feeding, the head contains one pair of mandibles and two pairs of maxillae . Insects consume a wide range of foods, and their mouthparts have become specialized. Several variations are shown in Figure below . Q: For feeding, the head contains one pair of mandibles and two pairs of what? Choices: - tracheae - antennae - chelicerae - maxillae A:
**Answer**
maxillae

*Question*
Answer the following question given this paragraph: Each of the above organs of excretion is also part of another body system. For example, the large intestine and liver are part of the digestive system, and the lungs are part of the respiratory system. The kidneys are the main organs of excretion. They are part of the urinary system. Q: What paired organs that are part of the urinary system play the prime role in excretion? Choices: - ovaries - liver - lungs - kidneys A:
**Answer**
kidneys

*Question*
Answer the following question given this paragraph: Cows are able to digest grass with the help of the methanogens in their gut. Q: Methanogens in their gut enable what process in cows? Choices: - absorption - excretion - regeneration - digestion A:
**Answer**
digestion

*Question*
Answer the following question given this paragraph: An air mass takes on the conditions of the area where it forms. For example, a continental polar air mass has cold dry air. A maritime polar air mass has cold moist air. Which air masses have warm moist air? Where do they form?. Q: What kind of air does a continental polar air mass hold? Choices: - cool moist air - frigid wet air - warm dry air - cold dry air A:
**Answer**
cold dry air