The tiny exoskeleton of a diatom is mostly composed of

Compare the width of the vessel walls. Explain why they are different thicknesses.

What is the climate fr the plants in texas

Which statement describes all types of matter? a. it takes up space and has mass. b. it is made of carbon, hydrogen, and oxygen. c. it is made of proteins and carbohydrates. d. it is composed of organic materials.

Which part of photosynthesis produces glucose and ADP? A. Photon collisions B. Chemosynthesis C. The light reactions D. The Calvin cycle

How does the sodium-potassium pump contribute to the net negative charge of the interior of the cell?

How do tectonic plates move at transform plate boundaries? slide horizontally past each other move apart from each other compress each other by moving toward each other

A confounding variable is another variable, other than the independent variable, that may have an effect upon your experiment's results.

Which of the following codes for a specific protein? Question 1 options: DNA gene enzyme chromosome

Any problem of inquiry can be proved or disproved using the scientific method. True False

What was the first living cells to evolve on earth?