Explanation:
Planarians are a group of Turbellaria, free-living flatworms that capture their food via a process of wrapping around it, entangling it in slime, and pinning it down before a prey into a gastrovascu lar cavity where free-living flatworms that capture extends from the mouth, bringing the prey into a gastrovascular cavity where free-living flatworms that capture extends from the mouth, bringing the digestion occurs.
Carbon Dioxide or CO2 is the waste product of the Krebs Cycle
Answer:
D. none of these choices are correct
Explanation:
substituting -2 as x into the expression,
-2x + 4x
-2(-2) + 4(-2)
4 + (-8)
4 - 8
-4
the answer should be -4
Answer:
Because a major function of the cell wall is to act as pressure vessels, preventing over-expansion of the cell when water enters. The cell wall, along with the cell membrane, functions also as a filter and gives support to the cell