You are presented with the question "what lack a centralized nervous system?" and the following answer choices: - barnacles - nervous fish - insects - bees - Pesticides - alpacas - fish - starfish Now knowing that echinoderms lack a centralized nervous system and echinoderms are represented by the starfish, choose the best answer.
starfish
You are presented with the question "Which bodily system excretes a substance commonly used in drug testing?" and the following answer choices: - Evaporation - urinary system - animals - aqueous solution - cardiovascular system - opiate system - Integumentary system - sweating Now knowing that urine is the liquid waste product of the body that is excreted by the urinary system and urine tests detect drugs used up to 36 hours before a given urine collection, choose the best answer.
urinary system
Q: You are presented with the question "What does potassium help an animal do?" and the following answer choices: - Grow - lysing - Sleep - health - Eat - rest - growth - Die Now knowing that an animal requires nutrients to grow and heal and potassium is an essential nutrient for plants and animals, choose the best answer.
A: Grow
Question: You are presented with the question "Saving water is important for surviving in what kind of environment?" and the following answer choices: - a cold environment - a dry environment - colder and wetter - threatened - reducing acid rain - a wet environment - to stay warm - a rainy environment Now knowing that conserving water can be used for survival in a dry environment and water conservation saves money and energy, choose the best answer.
Answer: a dry environment
*Question*
You are presented with the question "Temperature falls from lower to higher where?" and the following answer choices: - space - burning coal - underground - mountains - frontal zones - the ground - deserts - burrows Now knowing that temperature falls from lower to higher altitudes and temperatures are cooler in the higher altitudes of the mountains, choose the best answer.
**Answer**
mountains
You are presented with the question "What does loud noises often do to mammals?" and the following answer choices: - decrease stamina - comfort them - inspire them - quiet them - kill them - to move people - startle them - Movement Now knowing that loud noises can cause animals to startle and all mammals are animals, choose the best answer.
startle them