Answer:
The correct answer is - amino acid.
Explanation:
If some organism can not utilize lactose or other carbohydrates, have to solely depend on proteins, an amino acid in a media. Pseudomonas aeruginosa, a non-fermenter is a perfect example of such an organism.
P. aeruginosa is not able to use carbohydrates therefore they use amino acid which causes turbidity in the experiment and deamination leads to form a weak base NH3 that makes medium alkaline.
These fossils are very useful for us because we can use them to date the layers of rock that they are found in. Fossils that can be used in this way are called index fossils, and rock layers with the same index fossils in them can be correlated. Not my answer, link here for full
http://peter-mulroy.squarespace.com/correlating-rock-layers/
Science affects us all, every day of the year, from the moment we wake up, all day long, and through the night. ... To make it clear how deeply science is interwoven with our lives, just try imagining a day without scientific progress. Just for starters, without modern science, there would be: no way to use electricity.
Answer:
yes
Explanation:
The leaves of purple plants still have chlorophyll which looks green to us. So since they have chlorophyll, they can carry out photosynthesis.
Yes, like on land humans are at the top of the food chain and the rest of the animals on land trickles down from there. Yet the only difference with a marine food chain is instead of land animals and humans the food chain consists of fish,sharks, and other water dwelling animals.
Hope this helped!!