He reaction involved in cellular respiration is similar to that involved in the burning of fossil fuels. What must be an essential component of fossil fuels? A) oxygen B) water C) carbon D) carbon dioxide

What is the study of marine life called again?

A cell's membrane is composed of two layers of lipid molecules. What is the main function of a cell membrane? A. store energy for later use B. direct the functions of the cell's organelles C. construct long chains of amino acids D.

A normal plant cell holds water in the vacuole of the cell. This large organelle also gives the cell support. Suppose a plant is submerged in salt water. As a result

Antarctica traps 70% of the world's fresh water in its ice. Which type of ice contains this freshwater?

A photo of the chromosomes in a dividing cell, arranged by size is a

Explain what feeding behaviors shown make a food web a better choice for displaying this information than an energy pyramid

What is the most complex structure of the human body that supports growth and survival

Give the base sequence of the complementary DNA strand

How is the amount of daylight related to the sun's apparent path?

Scientists cannot define life, but they can list characteristics that are true of all life