They help work together because when the heart pmps blood through the body and the cells flow through the blood non stop its like a barrier of protection
Answer:
B
Explanation:
Source credibility is very important. If there isn't any other information that proves or disproves your source or double checks it, its not typically "credible"
Answer:
Option (A), (C) and (D).
Explanation:
The concept of law of dominance was explained by Mendel while working on the pea plant <em>Pisum sativum. </em>According to this law, the trait which is able to express itself even in hetrozygous condition, the trait is called dominant trait. The trait that are unable to express itself, the trait is called recessive trait.
Here, T means tall and t is short. T shows the dominant trait whereas t is recessive trait. T trait can express itself in heterozygous condition as well. So, TT, Tt and TTTT shows the tall individuals and tt is short individual.
Thus, the correct answer is option (A), (C) and (D).
A community is diverse species living together
An Ecosystem is all the living and nonliving factors that affect an organism
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Answer:</h2><h2>
Cells exist by themselves such as bacteria....</h2>
Whilst Virus are non loving infectious particles and need a living host to reproduce.
