Answer: Food and space
Explanation:
Think of the squirrels and birds. They both reside on trees and they compete for the resources like space and food available on the trees.
The fruits that is available on the tress has competition between the birds and squirrels.
Both of the organism also have competition for the space to live. Though birds are not available at the day time but they come to stay on trees at evening and night.
The squirrels have a better grip to fruits in their hands so that the birds cannot get it from them.
Squirrels also move on the land for the food so that they have less competition on trees for food.
<span> I think Sea otters are an iconic species, representing the beauty and diversity of marine life found along California’s coastline. They’re also considered a keystone species because of their critical importance to the health and stability of the nearshore marine ecosystem. They eat sea urchins and other invertebrates that graze on giant kelp. Without sea otters, these grazing animals can destroy kelp forests and consequently the wide diversity of animals that depend upon kelp habitat for survival. Additionally, kelp forests protect coastlines from storm surge and absorb vast amounts of harmful carbon dioxide from the atmosphere. Sea otters are also considered a sentinel species because their health reflects that of California’s coastal waters.</span>
Answer: Chargaff's rules state that DNA from any species of any organism should have a 1:1 stoichiometric ratio (base pair rule) of pyrimidine and purine bases and, more specifically, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine.
Explanation: