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Questions in biology

[Terjawab] A large white blood cell that removes bacteria, foreign particles, and dead cells is known as a(n) Select one: A. erythroblast B. erythrocyte C. neutrophil D. macrophage E. megakaryocyte

[Terjawab] Which of the following best defines gene flow? A. the sum of all genetic traits in a population's individuals at a given time B. any movement of genes from one population to another C. any movement of organisms from one environment to another D. the random change in the frequency of an allele in a population

[Terjawab] A group of cells performing a similar function is a A. molecule. B. tissue. C. organ. D. organ system.

[Terjawab] Table 1. The major digestive enzymes and their end products. | ENZYMES | Produced where? (pancreas, small intestine lining, stomach lining, salivary glands) | Active where? (mouth, stomach, small intestine) | END PRODUCT (disaccharides, smaller polypeptides, amino acids, fatty acids) | |---------------------|----------------------------------------------------------------------------------|------------------------------------------------|----------------------------------------------------------------------------| | Carbohydrate Digestion | | | | | Salivary amylase | Salivary glands | 1.) | 2.) | | Pancreatic amylase | 3.) | 4.) | Disaccharides | | Protein Digestion | | | | | Pepsin | Stomach lining | 5.) | 6.) | | Carboxypeptidase | 7.) | 8.) | Amino acids | | Fat Digestion | | | | | Lipase | 9.) | Small intestine | 10.) |

[Terjawab] Which of the following organs is not an accessory organ of the digestive system? (A) Gallbladder (B) Brain (C) Liver (D) Pancreas

[Terjawab] 7. Which level includes all ecosystems on Earth? A. Biosphere B. Population C. Community D. Organism 8. A group of the same species living in one area is a: A. Community B. Population C. Habitat D. Biosphere 9. Metals are usually: A. Poor conductors of heat B. Brittle C. Good conductors of electricity

[Terjawab] Use what you have learned in this lab along with the Internet (as needed) to answer the following questions. What are the preferred foods of tiger sharks? List of food items that may include some of the preferred foods: snakes lobsters clams marine birds crabs scallops ostriches squids small sharks rays marine mammals plankton What characteristics do the "preferred food items" you chose have in common? Think and make notes about this so you can answer the postlab.

[Terjawab] Use the Punnett Square below to answer the question. YY or Yy = yellow flowers yy = white flowers GG or Gg = green seeds gg = black seeds What percent of offspring are homozygous recessive for both traits? A. $25 \%$ B. $6.3 \%$ C. $18.7 \%

[Terjawab] Identify whether each of the following organisms are biotic or abiotic factors: - Grass - Deer - Mushroom - Hawk - Sun Explain how each of the following human activities can impact an ecosystem: - Clearing forests for agriculture and development - Using pesticides and herbicides on crops

[Terjawab] 1. Write the parts of the digestive system. Bladder Urethra Ureters Kidney 2. Say if the following sentences are true or false. a) The function of the excretory system is to expel waste from the body. TRUE FALSE b) The ureters filter the blood and separate the waste and the water. TRUE FALSE c) The combination of waste and water forms the ureter. TRUE FALSE d) The urine goes down two tubes called ureters. TRUE FALSE e) When the kidney is full, your body tells you to go to the bathroom. TRUE FALSE