Which of the following biomes receives the MOST precipitation? A) Rain Forest B) Taiga C) Savanna D) Desert

Betty drew the life cycle of a butterfly for a science exhibition. The life cycle showed the various stages of growth before the egg turns into a butterfly. What type of model did Betty use? A) biological B) conceptual C) mathematical D) physical

The speedy nervous system zips messages by way of neurotransmitters. Endocrine messages, however, are delivered more slowly because hormones travel throughA. myelinated neurons. B. the bloodstream. C. glial cells. D. interneurons.

What reproductive structure provides physical protection, nutritional support, and waste removal for the developing embryo (weeks 1-8) and fetus (week 9 to delivery) ?

Which of the following organisms evolved from dinosaurs? A. birds B. crocodiles C. sharks D. snakes

The tooth can be divided into three parts: crown, neck, and.

Is there a relationship between the number of chirps per minute and the temperature? If so, describe the relationship.

What differences do you see in the molecular shape of CO2 and NH3?

They lack chloroplasts, but have thylakoid membranes, and are thought to have been among the first organisms on Earth.

If you live in southwestern north america and are experiencing drought conditions, what do you hope will happen?

1. During mitosis, a single cell divides to produce two daughter cells. What must happen in the original cell so that each of the daughter cells has a complete set of chromosomes?