Ecosystems function independently and in isolation from each other.

a. True

b. False

Jada wants to eat a meal that will sustain her energy during a long run. Which of these food items is the best source of long-term energy? grape juice sugar cookie baked potato strawberries

Which is most likely evidence that led scientists to conclude prokaryotic cells evolved before eukaryotic cells? answer

PK-M2 has also been found in many tumor cells, but is in an inactive state. Explain why this seemingly counterintuitive discovery is actually a benefit for tumor cells.

The tundra ecosystem of Alaska is known as a "cold desert." It receives very little precipitation, about four inches annually. However, it is rich in wetlands due to permafrost, which traps moisture close to the surface.

Color Blindness is a sex linked disease. Therefore, it has to affect which pair of chromosomes?

Organism that causes red tide when present in large numbers

Ecosystems function independently and in isolation from each other. a. True b. False

If you made a change in the promoter sequence in the dna that inactivates the promoter, what would happen at the rna level? the mutation of the dna would be carried through to the rna sequence.

4) What is the main factor that contributes to carbons versatility? a. It has an equal number of protons and neutrons b. Its outer shell electrons are evenly spaced c. It has a four electrons in its valence shell d. It is a very large molecule

Write a paragraph explaining what photosynthesis and cellular respiration are and how they are dependent on one another. Include the reactants and products of the equations to support your statements. Use a minimum of 5 sentences.