Answer:
n unicellular organisms, oxygen diffuses across the cell membrane into the cell. Carbon dioxide diffuses out of the cell once the concentration of carbon dioxide is higher inside the cell than it is outside of the cell. Some micro-organisms, including some bacteria and fungi, can survive without oxygen.
Explanation:
Answer:
The correct answer is - 6250 kcal.
Explanation:
Otters are carnivorous mammals that depend on the different types of organisms for their food including snails, insects, and fishes or birds. An otter requires 250 Kcal/kg to maintain its body weight for survival so,
Given:
weight of otter = 25 kg
Requirement 250 kcal per kg
Therefore,
The daily calory consumption of otter: weight * required calories
250*25= 6250 kcalories
The amount of DNA that must be extracted/obtained to provide data depends on the analyses to be made.
<h3>What is DNA?</h3>
Deoxyribonucleic acid (DNA) is a molecule used by organisms to transmit hereditary characteristics across generations.
The linear order of nucleotides in the DNA molecule results useful for a variety of different types of studies.
For example, sequence homo-logy in certain genomic regions can tell us about the evolutionary history of an organism.
Learn more about DNA here:
brainly.com/question/1328358
The answer is D because it produces food for all the things that eat it