What is the most difficult part of a controlled experiment?

testing only one variable

testing two variables

testing multiple variables

testing zero variables

Sodium and oxygen colvalent bond

Suppose an organism evolved such that dna replication was seemingly perfect every time. what consequences might this hold for the organism?

When an organism reproduces asexually it usually has what?

Production of oxygen during photosynthesis is the byproduct of the breakdown of water. is a direct result of the electron transport chain. occurs during the light-independent reactions. is the primary goal of photosynthesis.

obtain and use energy grow and develop reproduce respond to their environment These items may be classified as? B) characteristics of animals C) characteristics of insects D) characteristics of living things

Two alternative futures for cells when they reach their size limitation

What do unicellular organisms do to maintain homeostasis?

Which of the following units of length would be most appropriate for measuring the distance between Los Angeles and Las Vegas? a. centimeter b. millimeter c. kilometer d. meter

What will change if you permanently increase the extracellular K + concentration? (more than one answer is possible) a. the amplitude of action potential b. the resting membrane potential c. the membrane capacitance d.

Cnidrians representative organism