What is genetic engineering?
• A. the manipulation of genetic instructions to produce new characteristics
• B. the creation of a new species that has desirable traits
• C. a process used by natural selection to thin out a population
• D. the breeding between the fittest members to produce multiple offspring
A. the manipulation of genetic instructions to produce new characteristics
Cells produce the energy they need to survive through the process of
• A. cellular respiration.
• B. cellular specialization.
• c. cellular differentiation.
• D. cellular transport.
A. cellular respiration.
Which scenario would lead to the biggest increase in a rabbit population?
• A. increase in food supply and decrease in predators
• B. increase in food supply and predators
• C. decrease in food supply and increase in predators.
• D. decrease in food supply and predators
A. increase in food supply and decrease in predators.
Kim is creating a model to show how energy moves through an ecosystem. Which of the following could she use to best describe the role that plants play in this process?
• A. Plants remove oxygen from other organisms.
• B. Plants create carbon dioxide for other organisms.
• C. Plants use sunlight to create food for other organisms.
• D. Plants increase the water temperature for other organisms.
C. Plants use sunlight to create food for other organisms.
Scientists find that a species is going extinct due to human population growth near its habitat. Which of these is NOT a way habitat loss can hurt a species?
• A. The species can have less space to find food.
• B. The species can have less space to find shelter.
• C. The species can be hit by cars while crossing streets.
• D. The species can have to compete with humans for prey.