Q: What is the term for the method of sending out ultrasound waves to determine the locations of objects? Read this paragraph and choose the correct option from the provided answers: Animals such as bats and dolphins send out ultrasound waves and use their echoes, or reflected waves, to identify the locations of objects they cannot see. This is called echolocation. Animals use echolocation to find prey and avoid running into objects in the dark. You can see in the Figure below and also at the following URL how a bat uses echolocation to find insect prey. http://www. bsos. umd. edu/psyc/batlab/headaimmovies/nsf_challenge/nsf4. wmv. Choices: - catabolism - magnetism - morphology - echolocation A:
echolocation

Q: What is the region called where an electron is most likely to be found? Read this paragraph and choose the correct option from the provided answers: Negative electrons are attracted to the positive nucleus. This force of attraction keeps electrons constantly moving around the nucleus. The region where an electron is most likely to be found is called an orbital. Choices: - the shell - the nucleus - the ellipse - the orbital A:
the orbital

Q: What is the name of vesicles that are formed by the golgi apparatus? Read this paragraph and choose the correct option from the provided answers: Lysosomes are vesicles that are formed by the Golgi apparatus. They contain powerful enzymes that could break down (digest) the cell. Lysosomes break down harmful cell products, waste materials, and cellular debris and then force them out of the cell. They also digest invading organisms such as bacteria. Lysosomes also break down cells that are ready to die, a process called autolysis. Choices: - vessels - lymphocytes - capillaries - lysosomes A:
lysosomes

Q: Hydropower is generated with what natural resource? Read this paragraph and choose the correct option from the provided answers: Hydropower utilizes the energy of falling water. Choices: - light - air - fire - water A:
water