Answer:
Birds require high levels of oxygen and, therefore, high rates of gas exchange due to flight demands. Avian resting oxygen consumption is high compared to that of mammals and other vertebrates, and this increases even more during the flight.
Explanation:
Compared to mammals, birds have specific adaptations of the respiratory system that result in higher levels of oxygen exchange.
Storing nutrition and keeping warm, A good example would be walruses since they have no fur to keep warm
Okay, so how well do you understand the reading? According to the condensation excerpt, the fourth choice for the fiest question would be the answer. And as for Question 12, the third option would be the answer because the balloon got bigger when the gas was heated ans smaller when the gas was cooled.
Answer:
ADVANTAGES:
Bacteria are involved in production of many food products such as yogurt, cheese, pickles, etc.
Bacteria break down waste material so that our environment is not permanently cluttered with garbage, dead bodies, etc.
Bacteria are responsible for the production of important essential compounds that are necessary for life such as vitamin K production by E. coli in the gut
DISADVANTAGES:
Some bacteria cause infections or produce toxic substances that are a threat to life and/or health.
Bacteria cause spoiling of food so that it does not keep as long as we may desire.
Some bacteria may cause infections of plants, threatening our food supply or ornamental plant.
Answer:
I think it's C.
Explanation:
They get nutrients from the soil, but they make their own food.
