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Questions in biology

[Free] The biome dominated by conifers, such as spruces and firs, is the: A. chaparral B. deciduous forest C. tropical rain forest D. tundra E. taiga

[Free] Which of the following are factors that both unicellular and multicellular organisms actively balance in order to achieve homeostasis? A) Size, shape, and mass B) Texture, density, and flexibility C) Wastes, nutrients, and water D) Sound, light, and temperature

[Free] Gathering information with your eyes is called: A. central vision B. peripheral vision C. rubbernecking D. visual perception Please support your answer with a short comment.

[Free] Which of the following statements is true? 1. HPV causes cancer of the cervix in females. 2. Hepatitis B virus causes cancer of the liver. 3. Many viral diseases can be prevented with proper vaccination. 4. Antibiotics have no effect on viruses. A. 1 and 2 B. 3 and 4 C. 1, 2, and 3 D. 1, 2, 3, and 4

[Free] Which biological molecule is associated with iron (Fe) ions? A. Histone B. Catalase C. Chlorophyll D. Hemoglobin E. RNA polymerase

[Free] Explain the steps that show how the sun provides the energy for surface ocean currents.

[Free] What form of energy is stored in a green plant?

[Free] The organ system that forms a communication and coordination network throughout all parts of an animal’s body is known as the A. digestive system B. respiratory system C. circulatory system D. skeletal system E. nervous system

[Free] The receptive surface for pollen on an angiosperm flower is the: A. anther B. corolla C. ovary D. style E. stigma

[Free] How do bacteria that live deep below the ocean’s surface make food? A. by cellular respiration B. by chemosynthesis C. by photosynthesis D. They eat other organisms.