4. Does simple diffusion require an input of energy?

Which statement about the ability of cells to specialise is correct? 1. Plant and animal cells never lose the ability to specialise 2. Most plant cells lose it at an early stage but animal cells do not 3.

What is the ratio of H to O atoms in all carbohydrates and water?

Some complex multicellular organisms are organized at four levels to increase efficiency. What is the correct order of organization, from the simplest to the most complex? A. organ, tissue, cell, organ system B. cell, organ, organ system, tissue C.

The insertion of how many nucleotides into a genetic sequence does less damage to the code than the insertion of other numbers of nucleotides?

Ability of an organism to survive and reproduce

If a water well is actively pumped, the water table will * O be raised around the well O stay at the same level as before pumping O be depressed around the well O be recharged

Proposed answer to a scientific question that A. can be rejected B. is testable C. both a & b

In which list are the levels of organization in the human digestive system shown from lowest to highest?

Splitting cells involves creating a single by combining two or more

Think about the sources you would use to get information about scientific ideas. Which sources would you avoid? Check all that apply. a magazine an encyclopedia a scientific journal an advertisement a TV show