Answer:
Each time your heart beats, an electrical signal travels through the heart. An EKG can show if your heart is beating at a normal rate and strength. It also helps show the size and position of your heart's chambers. An abnormal EKG can be a sign of heart disease or damage.
Answer:
A source from which organisms generally take elements is called exchange pool (option B).
Explanation:
Options for this question are:
- <em>Food web.</em>
- <em>Exchange pool.</em>
- <em>Reservoir.</em>
- <em>Biotic community.</em>
The term exchange pool is related to the biogeochemical cycles that exist in nature, referring to the source from which elements present in the environment become part of living organisms.
<u>Exchange pools are the biotic components</u> -like animals and plants- of an ecosystem, which determine the passage of elements between living beings. An element can remain as a reservoir (abiotic) in the soil, and then be incorporated into the exchange pool.
The plant that is grown in sunglight will thrive compared to the plant that is grown in the dark.
Sunlight helps the plant photosynthesize which is needed to keep the plant alive and growing. Without light the plant will not be able to photosynthesize and will eventually die.
Answer:
There is no enough data on Earth's temperature before life appeared.
Explanation:
Answer:
it would not be protected.
Explanation:
I say this because without protection (cell wall) everything would go wrong in a plant cell or whatever got a cell wall.
