Answer: taking deep breaths
Explanation:
Apart from reminding oneself that you are prepared for the presentation. You can carry out a physical exercise like the breathing exercise by taking several deep breaths and exhaling to reduce nervousness. Also you should be mindful that the audience is there to hear you and not to judge you. In that way you can ease out tension.
Organisms that use oxygen need it for cellular respiration, in which energy is released from glucose. Energy is needed by the organism for growth, mobility and reproduction.
Broad niche because it will be able to adapt and have a different niche under the same category
Hope I helped!
<span>b. assist a cell in dividing and transmitting its dna to new cells. </span>
C. Biogeography
The answer above is correct.
