WELL PLANTS AND MICROSCOPIC CREATURES LIKE HYDRAS REPRODUCE AXEXUALLY NOT ALL OF THEM BUT MOST OF THEM
Answer:
External respiration: CO2 diffuses into the blood
Explanation:
External respiration is also called the pulmonary gas exchange. It refers to the diffusion of O2 from the air in the alveoli of the lungs to blood in pulmonary capillaries and diffusion of CO2 in the opposite direction from the capillary blood into the alveolar air. External respiration in the lungs is responsible for oxygenation of deoxygenated blood coming from the right side of the heart. The oxygenated blood is then returned to the left side of the heart.
Answer;
D. The birds have different mating seasons.
Explanation;
-Different species of birds have different mating or breeding seasons. Evolution has played a role in adjusting the timing of avian(birds) breeding seasons to maximize the number of young produced. The breeding season depends on a number of factors, for example In the temperate, subarctic, and arctic zones, the overriding factor is the availability of food. This varies across all different species of birds, irrespective of other similarities they may have.
Answer:
<em>Granite is a type of igneous rock. What determines the size of the crystals that form in a sample of granite?
</em>
<em />
<em>B.
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<em>how quickly the rock cooled</em>
Because if you come across something surprising, it's best to know how and why that happened
