What is the ultimate source of energy that drives a food chain?

Pinworms have smooth bodies bilateral symmetry and complete digestive tracts. what type of animal are they

What is the nucleolus

Resources from the ocean are found in many regions, but the majority of all resources are located in which of the following regions? deep ocean continental shelf abyssal plain pelagic zone

The therapeutic effect of insulin in treating type 1 diabetes mellitus is based on which physiologic action

Lionel is replacing the kerosene in a heater. What should he avoid? A. flames B. electricity C. water D. freezing temperatures

She is the northern hemisphere tilted toward the sun?

Describe how the ocean plays a role in stabilizing Earth's weather conditions

Q: A: Which numbered organelle produces ATP during cell respiration

From earliest to most recent, what is the correct order in which organisms appear in the fossil record? a. dinosaurs, invertebrates, reptiles, mammals b. invertebrates, amphibians, dinosaurs, mammals c.

Is it possible for technological advancements to have both positive and negative effects on the world