Answer:
Animal cells have the following characteristics: no cell wall, no large vacuole, only small ones, cleavage furrows.
Explanation:
hope this helps
Answer: B. increase
Explanation: During an action potential, the potassium level inside the cell decreases, and the sodium level inside the cell increases. Thats is to say there is an outflow of potassium and an inflow of sodium ions.
Action potential usually occurs when an electrical signal disrupts the balance of Na+ and K+ within a cell membrane, briefly depolarizing the concentrations of each.
Cycloalkanes
are saturated hydrocarbons with monocyclic structure.
<span>This
means that cycloalkanes contain hydrogen and carbon atoms arranged in a
structure containing a single ring (sometimes with side chains), with all of
the carbon-carbon bonds single. The examples of cycloalkanes are cyclopropane,
cyclobutane, cyclopentane, cyclohexane…</span>
Answer:
The correct answer is A. The organic materials in the leaf have been recycled and released back into the soil.
Explanation:
The microorganisms and organisms called decomposers include bugs, bacteria and fungi. These organisms break down the organic materials from which the leaf and other dead animals or vegetation are made of. By doing so, they are devouring or eating just the components they need and leaving other nutrients or organic materials, available for other organisms in the soil. Example, some fungi break down dead wood, by doing so, they can obtain lignin, which is one of the chemical components of wood. However, when lignin is depleted, the fungi have already break down all the wood structure and some minerals, like Fe (iron) or Cu (copper), become more accessible for other microorganisms such as earthworms or mycorrhiza.
Answer:
B. Non living components of an ecosystem