The answer is D.
Tertiary consumers eat primary and secondary consumers. Therefore, carnivores that eat other carnivores are called tertiary consumers. An example of primary consumers are rabbits and giraffes. An example of secondary consumers are snakes and rats.
Answer:
B. mutualism
Explanation:
Legume plants have the ability to fix atmospheric nitrogen, due to a mutualistic symbiotic relationship with bacteria found in root nodules of these plants.
Answer: Its is the second one.
<span>Amoeba obtain nutrition by holozoic mode. It engulfs food, which remains iside the vacoule where digestion takes place. Vacoule move inside and fuse with lysosome, which releases proteases and amylase for digection of the engulfed food. The digested food is absorbed by the cell. Undigesed food remains in the vacoule, which fuses with cytoplasmic membrane and ruptures to throw the excreta.</span>
Answer:
True
Explanation:
Electromagnetic radiation is the primary energy source on Earth and the driver of the entire climate system.
The sun is also the source of energy that drives all life on Earth. This energy controls the weather, ocean currents and the hydrological cycle, influences our mood and daily activities.
The sun is a star, the same as the stars we see in the night sky, it is only much, much closer to us. It is nearly 150 million kilometers away from Earth. It is at the heart of our solar system and warms our planet enough that life can thrive on it. For over 4.5 billion years, this hot-ball of glowing plasma has been the engine of time, climate and life on Earth.
