*Question*
Q: What process is the primary function of the branching internal tubules called protonephridia? Read this paragraph and choose the correct option from the provided answers: Choices: - thermoregulation - calcification - enculturation - osmoregulation A:
**Answer**
osmoregulation

*Question*
Q: What is the distance something travels in a given amount of time called? Read this paragraph and choose the correct option from the provided answers: A snail might travel 2 centimeters in a minute. A cheetah might travel 2 kilometers in the same amount of time. The distance something travels in a given amount of time is its speed. Choices: - revolution - circulation - coverage - speed A:
**Answer**
speed

*Question*
Q: What scientific word, which gives its name to a type of rock, means "to change form"? Read this paragraph and choose the correct option from the provided answers: Metamorphism. This long word means "to change form. " A rock undergoes metamorphism if it is exposed to extreme heat and pressure within the crust. With metamorphism , the rock does not melt all the way. The rock changes due to heat and pressure. A metamorphic rock may have a new mineral composition and/or texture. Choices: - evaporation - evolution - igneous - metamorphism A:
**Answer**
metamorphism

*Question*
Q: What are nutrients the body needs in relatively large amounts called? Read this paragraph and choose the correct option from the provided answers: Nutrients the body needs in relatively large amounts are called macronutrients . They include carbohydrates, proteins, lipids, and water. All macronutrients except water can be used by the body for energy. (The energy in food is measured in a unit called a Calorie . ) The exact amount of each macronutrient that an individual needs depends on many factors, including gender and age. Recommended daily intakes by teens of three macronutrients are shown in Table below . Based on your gender and age, how many grams of proteins should you eat each day?. Choices: - adulterants - abundances - vitamins - macronutrients A:
**Answer**
macronutrients