What is the function of the myelin sheath?

Coal is solid rock that began as organic material that was deposited in a swamp. The formation of coal suggests that A. Geologic processes continue over millions of years. B. Coal is made mostly of skeletal remains of animals. C.

Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) Has a single dorsal fin ® 5 (b) Has a double dorsal fin ® 2 5. (a) Has small fin on back near tail ® 6 (b) Has no fin on back near tail ® 7 6.

Which of these factors that effect the atmosphere and global climate can be linked to human activities that effect the atmosphere and global climate can be linked to human activities

In angiosperms, what is the name of the outer epidermal layer that protects the plant body? Vascular tissue Dermal tissue Ground tissue

Easy ways to find independent variables

At which trophic level are dragonflies that consume

Which example is an organism? A. bacteria B. heart C. clay D. soil

What are some examples of a chemical reaction?

If you continue to increase the intensity of light that a plant receives, what happens? A. The rate of photosynthesis increases indefinitely with light intensity. B. The rate of photosynthesis decreases indefinitely with light intensity. C.

Three structural changes that occur in young unmodified plant cells as they develop into xylem tissues