Which of the following do all cells in multicellular organisms have in common

a.) they all express the same genes

b.) they all have the same proteins

c.) they all have the same mRNA

d.) they all have the same DNA

Why is Seattle warmer in the winter than Yellowstone, even though both locations are at similar latitudes

A biologist has just discovered a new life form. The newly described organism is multicellular, does not carry on photosynthesis, and absorbs nutrients from the environment. It is composed of eukaryotic cells with cell walls.

Imagine we reach the year 2050 and we have surpassed the the projected global population. World wide we are running out of fresh water. Discuss how the human population may form a new species through evolution.

Why can chromosomes be described as units of linked genes

An acid has more what when compared to a base

Can energy be transferred from animal to animal

The more stomata the more water loss?

Why does it take a long time to develop a new variety of tomato? A. Changes in traits happen gradually, over many generations. B. Many plants resist change. C. Tomatoes cannot acquire new traits. D. A species cannot change over time.

Select the one true statement. Vacuoles store nutrients, water, and waste in animal cells. Plant cells can have chloroplasts but do not have a cell wall.

Using water more effectively A. Protects the environment B. Causes the loss of natural pollution filters C. Increases with contamination D. All of the above