ENVS 2210 Midterm Exam 1 : Questions & Answers: Guaranteed A+ Guide Score

what are the 3 morphological castes? (types of colony members) (Ans- worker (non-reproductive female), drone (male) and queen (reproductive female) what is the function of the exoskeleton? (Ans- provides protection, support and attachments for muscles and organs and prevents dehydration what is an exoskeleton? (Ans- External skeleton composed of hardened plates (made out of chitin and other proteins) that are connected by membranes to provide the insect with structure and movement What are the 3 main body segments of the honey bee? (Ans- head, thorax, abdomen the head (Ans- Contains sensory and digestive structures: Eyes, antennae and mouthpartsEyes (Ans- Two types, three ocelli or simple eyes, and two compound eyes Ocelli (Ans- Three eyes with simple lenses. Detect light intensity and may serve for orientation during flight. No images are generated Compound eyes (Ans- Array of thousands of single eyes or ommatidia (facets), each with its own fixed lens looking in a different direction. Some facets detect the plane of polarized light. Others create images to recognize motion or are used for colour vision (bees see ultraviolet, blue, green and yellow, but not red). Vision is made out of mosaic-composed images. UV light vision is important to locate nectar guides when foraging on flowers Antennae (Ans- The bee's "nose."composed of 12 segments that contain sense organs; the sensilla (plates, pits and hairs) used to detect odours, CO2, humidity, flavours, temperature, and airflow