*Question*
Answer the following question given this paragraph: Ionic bonds are formed by the attraction between oppositely charged ions. Q: What are formed by the attraction between oppositely charged ions? Choices: - inept bonds - soluble bonds - magnetic bonds - ionic bonds A:
**Answer**
ionic bonds

*Question*
Answer the following question given this paragraph: Treating genetic disorders is one use of biotechnology. Biotechnology is the use of technology to change the genetic makeup of living things for human purposes. It's also called genetic engineering. Besides treating genetic disorders, biotechnology is used to change organisms so they are more useful to people. Q: What is the use of technology to change the genetic makeup of living things for human purposes? Choices: - biological utility - biological engineering - genetic employing - genetic engineering A:
**Answer**
genetic engineering

*Question*
Answer the following question given this paragraph: A food chain represents a single pathway by which energy and matter flow through an ecosystem. An example is shown in Figure below . Food chains are generally simpler than what really happens in nature. Most organisms consumeand are consumed bymore than one species. Q: A single, often oversimplified, path through which energy and matter flow through an ecosystem is also known as what? Choices: - the chain - fuel chain - life cycle - food chain A:
**Answer**
food chain

*Question*
Answer the following question given this paragraph: Figure 3.11 Insects have a hard outer exoskeleton made of chitin, a type of polysaccharide. (credit: Louise Docker). Q: What is an insect's hard outer exoskeleton made out of? Choices: - lectin - casein - melanin - chitin A:
**Answer**
chitin