Answer:
Breathing rate is most likely to increase if the blood level of carbon dioxide increase.
Explanation:
Breathing rate is the number of breaths of a person during a specific time, is usually the number of respiratory cycles that occur per minute. External respiration is the process of exchanging oxygen and carbon dioxide from the outside of the human body to pulmonary capillary blood. Once in the lungs, oxygen (and carbon dioxide to a very small extent) through the alveoli, pass into the red blood cells of the pulmonary vein blood. Carbon dioxide reacts in the blood with water, thanks to an enzyme, giving rise to bicarbonate. Blood reaches the heart, and is pumped into the cells by systemic arteries. The oxygen in the blood crosses the cell membrane and in turn, an exchange occurs, since the cell expels carbon dioxide and oxygen that it has not used. Once the exchange is done, the blood is conducted through the systematic veins with oxygen whose partial pressure is lower, and with an increase in the partial pressure of carbon dioxide. It reaches the heart again, leads through the right atrium and ventricle and finally travels through the pulmonary artery to the lungs where the air is expelled (expiration). Breathing rate tends to increase when the level of carbon dioxide in the blood increase.
1. producers, plants,autotrophs
2. secondary consumers,carnivores, order heterotrophs
3. They all eat the organisms in the level below them, except for the producers which make their own food.
4. No, because organisms such as humans are omnivores.
Answer:
The increase of soil temperature have resulted in decreasing the diversity, body mass, number and size aspects of flora and fauna of soil.
Explanation:
Soil fauna includes protozoa, ascarides and nematodes. Soil flora comprises of bacteria, algae and fungus. The soil flora and fauna plays a vital role in breaking down, decomposition and nutrient absorption to the soil making it more viable for cultivation of plants. They too affects the structure and nature of soil. This flora and fauna forms the biomass and subsequently the humus of the soil. The increasing temperature of soil, render it hostile for soil flora and fauna to thrive, hence it results in decrease of biomass and diversity of those organisms.
<u>The feeding methods of gastropods and bivalves.</u>
<u>The feeding methods of gastropods: </u>
- They feed on from the rock surface.
- They feed on seaweeds, animals that are static.
- They use a hard plate that is present in the teeth called radula for feeding.
- They are not filter feeding organisms.
<u>The feeding methods of bivalves: </u>
- They feed form the water.
- They feed on phytoplankton that are seen in water.
- They feed on the smaller things that pass through their grills.
- These are filter feeding organisms.
Answer:
Option (A) and (C).
Explanation:
Global warming may be defined as the increase in the average earth's temperature. The global warming occurs due to human activities like deforestation and urbanization.
The green houses gases are responsible for increase in the global warming. Gases like water vapor, methane and carbon dioxide can trap the heat and causes global warming. The green house effect is directly proportional to the amount of green house gasses as more heat are trapped by green house gases.
Thus, the correct answer is option (A) and (C).