Ques: Answer the following question given this paragraph: Light microscopes continued to improve and are still used today. However, to see extremely small objects, a different type of microscope, such as an electron microscope, must be used. Q: What type of microscope is used to see extremely small objects? Choices: - optical microscope - X-ray microscope - ultrasonic microscope - electron microscope A:
Ans: electron microscope

Ques: Answer the following question given this paragraph: Intraspecific competition occurs between members of the same species. For example, two male birds of the same species might compete for mates in the same area. This type of competition is a basic factor in natural selection. It leads to the evolution of better adaptations within a species. Q: Competition between members of the same species is known as? Choices: - interspecies competition - egregious competition - nuchal competition - intraspecific competition A:
Ans: intraspecific competition

Ques: Answer the following question given this paragraph: When sunlight heats Earth's surface, some of the heat radiates back into the atmosphere. Some of this heat is absorbed by gases in the atmosphere. This is the greenhouse effect , and it helps to keep Earth warm. The greenhouse effect allows Earth to have temperatures that can support life. Q: What effect in the atmosphere ensures that the earth maintains the correct temperature to support life? Choices: - coriolis effect - ozone effect - smog effect - greenhouse effect A:
Ans: greenhouse effect

Ques: Answer the following question given this paragraph: Cellular respiration by living things releases carbon into the atmosphere or ocean as carbon dioxide. Q: Living organisms release carbon dioxide into the atmosphere by what method? Choices: - genomic respiration - widespread respiration - major respiration - cellular respiration A:
Ans:
cellular respiration