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Questions in biology

📝 Answered - In extremely cold winters, the bison in Yellowstone may stay warm near A. lava domes. B. super volcanoes C. fissure eruptions. D. geysers

📝 Answered - Which is the first step in the scientific method? A. ask a question B. conduct background research C. construct a hypothesis D. perform an experiment

📝 Answered - 1. Femur 2. Ligaments 3. Vertebral column 4. Cardiac muscle 5. Ball and socket joint Match the above with the correct descriptions: a) Protects the spinal cord b) Connect bones to each other c) Found in the heart d) Longest bone in the body e) Allows movement in all directions

📝 Answered - Are plants with red colored leaves unable to prepare food by themselves? Why? Food web: Plant -> Grasshopper -> Frog Plant -> Mosquito -> Frog -> Snake Plant -> Cockroach -> House lizard What will happen to this food web if the number of frogs decreases?

📝 Answered - Which statement is most accurate? A. Hair is different from kidneys because the cells that make up hair and kidneys have different genes. B. All cells have the same genes, but different genes are active in different cells. C. As cells and tissues differentiate, they produce new genes. D. All cells have the same genes, and all of a cell's genes are active at the same time.

📝 Answered - Which is the effector in the example of blood glucose regulation? A) Blood glucose concentration B) Glucagon C) The liver D) The pancreas

📝 Answered - Which of the following statements is true about sperm? A. It is a viscid whitish fluid, produced in the male reproductive organ, which is ejaculated at the time of orgasm. B. It is a tadpole-like organism that fertilizes the female egg. C. It is a body fluid produced by females during sexual intercourse. D. It is pubic hair found on the suspect and the victim.

📝 Answered - What are central pattern generators? Choose the correct option. A. The motor units for a given muscle B. An artifact of spinal circuitry C. Motor programs established in upper motor neurons to control walking D. Spinal circuits that give rise to rhythmic motor activity What do we mean by the somatic motor system? Choose the correct option. A. Cardiac muscle B. Skeletal, smooth, and cardiac muscle C. The smooth muscles and glands D. The skeletal muscles and the parts of the nervous system that control them What happens to muscle fibers when joints are immobilized in a cast following an injury? Choose the correct option. A. Ageusia B. Anosmia C. Hypertrophy D. Atrophy What is a motor unit? Choose the correct option. A. An enlargement in the cervical and lumbar portion of the spinal cord B. A collection of motor neurons that innervate a single muscle C. One alpha motor neuron and all the muscle fibers it innervates D. The distribution of lower motor neurons in the ventral horn

📝 Answered - Fill in the blanks. 1. The ______ of camel stores fat in it. 2. The movement of animals to warmer places during winter months is called ______. 3. Turtles have ______ to help them move in the water with ease. 4. The koala bear is an ______ animal.

📝 Answered - Which of the following is not an example of mechanical control of nonnative species? A. pulling B. inspections C. net barriers D. mowing