An explanation of observations or events based on knowledge gained from many observations and investigations is called a

What roles do coralline and calcareous algae play in reefs formation?

You are trying to find the best maximum source of energy for an organism. Which of the following compounds would you choose? A. glucose B. oxygen C. ATP D. Pyruvate E. NADH

What is a fossil? What is a fossil record?

What is the role of Langerhans cells? 1. prevent pathogens from entering the body using antibacterial agents 2. destroy pathogens that enter the body using white blood cells 3.

Which of these is not a structure found in prokaryotic cells? a defined nucleus ribosomes cytoplasm cell membrane

Which is a cause of mechanical weathering? A. sunlight B. oxidation C. physical forces D. natural acids

Both chloroplasts and mitochondria are like in that they both have membranes and their own

Which of the following is an example of an organ? A) Stomach B) Brain cell C) Muscle Tissue D) Heart

In a cell that is not dividing, the unwound, filamented mass of dna and associated proteins is called

What is a solid state transformation?