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
9 answers
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.
• 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
• 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.
• 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.
• 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.
D. The species can have to compete with humans for prey.