Which statement best summarizes how classification systems have changed over time?
Classification systems have become more complex to allow for all the discoveries made about organisms.
<span>The enzymes are used to cut DNA sequences into smaller pieces. Therefore the answer is D.They break DNA into fragments that vary in size.</span>
e.when the mass of an object increases, its gravitational pull also increases
Answer:
B
Explanation:
Plants need chlorophyll to make food.
Because,
Animal cells can't make their own food
And photosynthesis never happen in animal cells
