Why do living things need to produce new cells

Water is pretty small. why does it need proteins (the aquaporins) to cross the plasma membrane?

Solid rock that is exposed to extreme temperature, pressure, or chemical fluids becomes ...

How was plant growth affected by the presence of worms in lima beans

Mushrooms are organisms that breaks down and obtains energy from dead organic matter and are called A) Scavenger B) Decomposer C) Detritivore D) Herbivore

How does the loss of vegetation on shore lines affect waterways? a. decreased sedimentation b. increased shorelines c. increased erosion of water banks d. none of the above

The electrons of an atom occupy one or more areas of space called

The nucleus and other organelles of a neuron are primarily housed in which part of the cell? axon dendrite glial cell cell body none of the choices is correct.

What does every letter of the mRNA strand correspond to? (there is no chain to go with this question)

Is Sirius B brighter or dimmer than the sun?

The chart below shows examples from two groups of organisms, multicellular and one-celled. the tissues and organs in group a perform functions that are