Trace elements such as iron, iodine, fluoride, copper, zinc, and molybdenum (and much more) are very important for maintaining health. We only need very small amounts. They are also reffered as microminerals, these elements are part of enzymes, hormones and cells that we need in the body. Without these small amounts of trace elements, our body starts to show symptoms of nutrition deficiency.
hope this helps!
Cellulose is a form of carbohydrate.
D, because flatworm don't use cellular respiration nor do they use photosynthesis or make their own food neither do humans, which leaves the D, which is true. :)
The phrase 'some animals exhibit similar proteins' describes how biological chemicals provide evidence to support that life changes over time.
<h3>What is evolution?</h3>
Evolution refers to descendence with modification, which means that proteins are similar in related species.
Protein building blocks (amino acids) can also change over evolutionary time due to descendence with modification.
In conclusion, the phrase 'some animals exhibit similar proteins' describes how biological chemicals provide evidence to support that life changes over time.
Learn more about proteins here:
brainly.com/question/2526971
#SPJ1
