Question: Q: Carbon behaves as a metal because it conducts which two things well? Read this paragraph and choose the correct option from the provided answers: Carbon behaves as a metal because it conducts heat and electricity well. It is a nonmetal because it is black and brittle and cannot be made into sheets or wires. Choices: - heat and magnetism - heat and water - electricity and oxygen - heat and electricity A:
Answer: heat and electricity

Question: Q: Which cycle tracks the flow of nitrogen through an ecosystem? Read this paragraph and choose the correct option from the provided answers: Mariana Ruiz Villarreal (LadyofHats) for CK-12 Foundation. The nitrogen cycle tracks the flow of nitrogen through an ecosystem . CC BY-NC 3.0. Choices: - nitrogen reaction - water cycle - life cycle - nitrogen cycle A:
Answer: nitrogen cycle

Question: Q: All animals that derive energy from food are classified as what? Read this paragraph and choose the correct option from the provided answers: Figure 15.2 All animals that derive energy from food are heterotrophs. The (a) black bear is an omnivore, eating both plants and animals. The (b) heartworm Dirofilaria immitis is a parasite that derives energy from its hosts. It spends its larval stage in mosquitos and its adult stage infesting the hearts of dogs and other mammals, as shown here. (credit a: modification of work by USDA Forest Service; credit b: modification of work by Clyde Robinson). Choices: - lifeforms - paleotrophs - heliotrophs - heterotrophs A:
Answer:
heterotrophs