Answer:
<u>D. Energy is used up.</u>
Explanation:
You're undergoing <u>DURING</u> cellular respiration. Energy can't really be used up DURING cellular respiration as there are changes, break-downs, and activities undergoing stated for answers A, B, and C. These answers are similar and much reasonable during <em>cellular respiration</em> <em>processing</em> than energy being used up.
Answer: Aristotle's and Linnaeus's classification systems both divided all life into two groups: plant and animal.
Answer: (A) Natural selection tend to reduce genetic variation as there was a smaller distribution of beak depths, but it tends to select for the most fit phenotypes, as there was an increase in average beak depth after the drought.
Explanation: The picture below shows proof if needed. On USATP
Answer:
"Ecological niche is a term for the position of a species within an ecosystem, describing both the range of conditions necessary for persistence of the species, and its ecological role in the ecosystem."
Explanation:
sources: sciencedirect
Answer is b. Burning fossil fuels causes a decrease in the pH of ocean water making it more acidic.
Burning of fossil fuels release carbon dioxide and other harmful gases in the atmosphere. Carbon dioxide gets dissolves in the ocean to form carbonic acid. Due to formation carbonic acid, the pH of ocean water changes slightly. The average pH of ocean water was 8.2 slightly basic. Now it 8.1, it means there is 25 % increase in acidity of ocean water.
