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zlopas [31]
2 years ago
7

How does the heart deliver oxygen to the body cells

Biology
1 answer:
mario62 [17]2 years ago
8 0
Well its a little deeper than that. The oxygen transport is made through Hemoglobin (red blood cells) which is pumped from the heart
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What are some examples of the kinds of trees being harvested in the rainforest?
GalinKa [24]
Here one of the answer Red Cedar Tree
5 0
3 years ago
Is selection more effective against recessive alleles in haploid or diploid organisms?
svet-max [94.6K]
The selection of more effective which is against recessive alleles in haploid organisms than diploid organisms. This is because haploid organisms contain a single set of alleles if a deleterious allele is present in haploid organisms which will produce its effect immediately as there will be no dominant allele which can prevent the expression of the recessive allele as it happens in diploids. Recessive allele will not produce its effect in presence of the dominant allele in the case of heterozygote which is Aa.
Where there is haploid the selection will be more effective when removing recessive alleles in the population. It is the homozygous recessive condition which as aa then the selection will act against recessive alleles.
3 0
3 years ago
How might evidence from an experiment such as this help shape Darwin’s ideas about evolution?
Aliun [14]
It is supported by evidence from a wide variety of scientific disciplines, including genetics, which shows that different species have similarities in their DNA. There is also evidence supporting the Theory of Evolution in paleontology and geology.
8 0
2 years ago
Any suggestions would be greatly appreciated. I believe it's B but let me know if I'm wrong! Thanks!
arlik [135]
I believe it's A, but I could be wrong. I apologize if I am so. I will do further research and get back to you
6 0
3 years ago
Read 2 more answers
Which best explains how the collisions of materials in space contribute to the formation of layers in protoplanets?
Sedbober [7]

Answer:The best explanation is;

The materials undergo decay when they collide, which results in the heating and subsequent melting and rising of materials

Explanation: A protoplanet is an embryo formed in a protoplanetary disc which has passed through a melting phase that enables the formation layered interior

In protoplanets the effects of partial melting of the components due to heating produced by radioactive decay and  pressures from forces of gravity there is segregation of the melt and igneous composition such that the heavier melted metal can sink and be over laid by the lighter igneous rocks

Therefore, the best explanation is that the materials undergo decay when they collide, which results in the heating and subsequent melting and segregation by the sinking of the heavier melted materials and rising of the lighter igneous materials.

8 0
2 years ago
Read 2 more answers
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