*Question*
Q: Like all chordates, vertebrates are animals with four defining traits, at least during which stage? Read this paragraph and choose the correct option from the provided answers: Like all chordates, vertebrates are animals with four defining traits, at least during the embryonic stage. The four traits are:. Choices: - pupal - larval - adult - embryonic A:
**Answer**
embryonic

*Question*
Q: Force times distance is the equation for what? Read this paragraph and choose the correct option from the provided answers: Work is directly related to both the force applied to an object and the distance the object moves. It can be represented by the equation: Work = Force Distance. Choices: - power - speed - gravity - work A:
**Answer**
work

*Question*
Q: Most ecosystems are disturbed too often to attain what final, stable status? Read this paragraph and choose the correct option from the provided answers: Most ecosystems are disturbed too often to attain a final, stable climax community. Choices: - undisrupted community - calm community - even community - climax community A:
**Answer**
climax community

*Question*
Q: What types of blood cells are required for aerobic respiration? Read this paragraph and choose the correct option from the provided answers: Choices: - white blood cells - grey blood cells - large blood cells - red blood cells A:
**Answer**
red blood cells