The leafy stems of lycophytes resemble clubs, and their reproductive structures are moss shaped. true or false

Pros and cons of a water bath usedin biotechnology

What is the main difference between trace elements and the main elements that make up the body? 1) main elements consist of heavier atoms. 2) trace elements are only needed in small amounts. 3) trace elements consist of heavier atoms. 4) main elements are only needed in small amounts.

Which of the following is a lifestyle behavior? a. getting enough sleep b. exercise c. tobacco use d. all of the above