Answer:
Environment.
Explanation:
The respiratory system interacts with the environment by contracting and expanding the diaphragm and chest in order to do breathing. When the muscles in the diaphragm contracts and the expansion of chest occurs, takes the air inside the body that is present in the outside environment for inhalation of oxygen while on the other hand, when the diaphragm expands and chest contract, the air inside the body is removed with the removal of carbondioxide gas.
Answer:
2
Explanation:
North East trade winds and South East trade winds
Answer: C) variable base sequences and are variable in the population.
Explanation:
Single nucleotide polymorphisms (SNPs) result from mutations point and correspond to the position where there is an alternation of nucleotides A, C, G, T at a minimum allele frequency of 1% in a given population. The SNPs may be present in both coding and non-coding regions of the genome. In coding regions, when resulting in an amino acid substitution, they are called synonyms and can be conservative or non-conservative depending on the characteristics of the amino acids involved in the exchange. In such cases, modifications may occur in structural and functional proteins.
Answer:
check the sound of blood flow to see if it is abnormal then check the blood pressure - cva is a stroke
Explanation:
The right answer for the question that is being asked and shown above is that:(1) B) is the main means by which new species arise(2) C) If two organisms look different, they must be different biological species.(3) D) Two crayfish species cannot interbreed because their genitalia do not engage properly with each other.(4) A) genetic drift(5) D) punctuated equilibrium