What is the black circle inside your eye called?

What is most likely to happen if an individual restricts consumption of dietary fat to very low levels

Captive breeding Definition

What relationship between the two species listed would be mutually beneficial

Which of the following types of passive transport involves the movement of molecules via special transport proteins? A. facilitated diffusion B. simple diffusion C. filtration D. osmosis

A scientist is examining a fossilized insect that may be an ancestor of modern dragonflies. Which of the following should the scientist compare to best determine how closely related the fossilized insect is to modern dragonflies?

What is an abiotic factor of a marine ecosystem? A). Food produced B). Temperature change as you go deeper into the ocean C). Reproduction of animals

1. Suppose that xylem were located only in the roots and stems of a plant. Would fluids in the xylem still move? Explain.

What activity will decrease body temperature? Sweating Exercising Adding clothing Shivering

Organisms with true radial symmetry A. tend to be highly mobile. B. do not have a distinct head region and tend to be sedentary or passive drifters. C. can be divided into two matching halves along only one plane. D.

1. The Earth's carbon cycle consists of the flow, cycling, and recycling of all of the carbon on the Earth. Every living organism's composition includes the element carbon. How does carbon become part of living organisms?