Answer:
Dorsal lol, its contracts and pumps blood to the aortic arches.
Answer:
The allele frequencies of both populations are likely to be similar.
Explanation:
An allele is a variant form of a given gene. Sometimes different alleles can cause variations in the observable characteristics of the species examined.
In the option given the chance that alleles are similar is very high because both populations exchange migrants very frequently and at a high rate so the genes of both populations are mixed very often.
I hope this answer helps you.
The control group in this experiment is the group of tomatoes that do not receive any fertilizers i.e. fourth tomato plants.
<h3>What is Fertilizer?</h3>
Fertilizer may be defined as any chemical or natural substance which is added to the soil with the intention of enhancing productivity.
All those groups of tomatoes in which fertilizers are added behave as a reference group while those in which fertilizer is not added behave as a control group.
Therefore, it is well described above.
To learn more about Fertilizers, refer to the link:
brainly.com/question/24544067
#SPJ1
Answer:
Infants are able to regulate cardiac output by changing the stroke volume to a greater extent than presumed, at least when cardiac output is influenced by changes in the mean airway pressure.
Explanation: