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Questions in biology

📝 Answered - Example of ______ joints are the metacarpophalangeal joints of fingers 2 through 5, most commonly called the 'knuckles.' A. condylar B. ball-and-socket C. pivot D. gliding plane

📝 Answered - The hair follicle is embedded in the ______ and fatty tissue of the skin layers. A. adipose B. cuticle C. dermis D. epidermis

📝 Answered - A particular species of plants can have yellow or green seeds. This trait is determined by one gene. The yellow-seeded plants may be homozygous or heterozygous. We could find out which genotype they are by crossing these plants with... (A) homozygous yellow-seeded plants (B) homozygous green-seeded plants (C) heterozygous green-seeded plants (D) heterozygous yellow-seeded plants

📝 Answered - An Irish potato farmer in a swampy area had his garden flooded for a long time during prolonged rain experienced in the area. He made the following observations about his garden during the season: * The leaves of the potato plants turned yellow * The potato plants became stunted with weak stems * Some potato plants wilted; others had rotten roots When the rains reduced and the flooding was no more, the Irish potato plants revived, having greener leaves, upright stems, and numerous roots. The plants managed to produce Irish potatoes for the farmer. Task (a) Explain the observations made by the farmer during the rainy season. (b) How did the potato plants finally manage to produce Irish potatoes for the farmer?

📝 Answered - 2. Match the following: a. apiary i. bee glue b. propolis ii. a substance secreted by worker bees that is fed to the larvae, which are being raised as potential queen bees c. royal jelly iii. a collection of beehives 3. Fill in the blanks. a. __________ are important for the bees to make honey. b. The nectar is kept in __________ honey cells. c. The three types of bees that are a part of a colony are __________, __________ and __________. d. __________ bees are excellent pollinators. e. __________ flowers become fruits and vegetables. 4. Answer the following questions. a. What are the two elements that change with every new flower that the bee visits? b. What do bees make their hives with? How do humans use it?

📝 Answered - Charles Darwin thought that some individuals would be better equipped for survival than others and that those that were not would not survive. Darwin formulated this hypothesis based on the work of which scholar? A. On Gout who compared mankind and land fleas B. Thomas Malthus who studied population growth C. Isaac Newton who formulated the laws of motion D. Gregor Mendel who studied genes inheritance of rats

📝 Answered - How does selection favor calling? A. Calling attracts predators so the crickets can show off their skills B. Calling is the way males start fights with other male crickets C. Selection can not favor calling as it is not an inheritable trait D. Calling for crickets attracts females so they are increasing the chances of reproducing (sexual selection)

📝 Answered - The joint capsule has an inner layer called the A. fibrous layer B. articular cartilage C. synovial membrane

📝 Answered - Part A. My Fingerprint We can use a hand lens to see our fingerprint clearly. Which fingerprint pattern do you have? * Whorls - forms a circular or spiral pattern * Loop - curves or bends but does not form a circle * Arch - looks like a wave but not too curved Part B. My Hand Span We can use our hand span to measure things like your arms, legs, tables and others. You can do this by measuring from the tip of the thumb to the tip of the small finger. How many hand spans does your arm measure? How about you measure your mother's arm using your hand span? How many did you get?

📝 Answered - Less than 1% of the energy in a food chain generally makes it from the sun to quaternary consumers. True or False?