Answer:
Species interaction- competition, predation, parasitism, mutualism, and commensalism.
Answer:
Around 100,000 years ago, the Earth was going through a period of Ice Age. While the Glacial Period was not in full effect, it is reasonably concluded by researching the ending of the Ice Age and other Glacial Periods that the Earth was considerably colder than it is right now.
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<u>PLEASE</u><u> MARK</u><u> ME</u><u> BRAINLIEST</u><u>.</u></h3>
It's called t<span>he trachea.</span>
Answer:
Active transport requires cellular energy for substances to cross the cell membrane; passive transport does not.
Explanation:
Active Transport works against the concentration gradient and therefore needs energy to make it happen
Passive transport such as Diffusion and Osmosis uses the properties of natural movement of particles which moves the molecules from areas of high concentration to areas of low concentration or down the concentration gradient and happens passively without the need for energy