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Vlad [161]
3 years ago
7

Most living things need oxygen to survive. These two body systems bring oxygen into your body and then move to all your body par

ts. What are these two body systems?
Biology
2 answers:
sweet-ann [11.9K]3 years ago
6 0

Answer:

Circulatory system and respiratory system.

Explanation:

The respiratory system is the system responsible for ensuring the capture of oxygen from the environment and the release of carbon dioxide. In addition, this system is related to smell, that is, our ability to allow odors and is also related to speech, due to the presence of so-called vocal folds in one of the organs of the respiratory system.

When the respiratory system captures oxygen, it gets to see the circulatory system come into action. The circulatory system is the system responsible for ensuring the transport of blood throughout the body, thus allowing our cells to receive, for example, nutrients and oxygen. This system is formed by the heart and blood vessels.

Tema [17]3 years ago
5 0
Nothing I really don’t think there is an answer to that
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1. Walking through the forest, you find a large population of toadstools. From your extensive knowledge of the kingdom fungi, yo
Lena [83]

Answer:

No, observed and expected frequencies are different.

Observed frequencies: p2 = 0.56 , 2pq = 0.375, q2 = 0.062

Expected frequencies: p2 = 0.774 , 2pq = 0.211, q2 = 0.014

Explanation:

Given frequency of recessive genotype (q2)= 14/ 1006 = 0.0139

Frequency of recessive allele s (q) = square root of 0.0139 = 0.12

Frequency of dominant allele S (p) = 1-q = 1-0.12 = 0.88

Expected frequency of homozygous recessive genotype = 0.12 x 0.12 = 0.014

Expected frequency of homozygous dominant genotype = 0.88 x 0.88 = 0.774

Expected frequency of heterozygous dominant genotype = 2pq = 2 x 0.88 x 0.12 = 0.211

Observed frequencies in population 2

Observed frequency of homozygous dominant genotype = 308 / 549 =0.56

Observed frequency of heterozygous dominant genotype = 206 / 549 =0.375

Observed frequency of homozygous recessive genotype = 34 / 549 =0.062

Observed frequencies do not match with expected frequencies.

6 0
4 years ago
Botanists might study the behavior of a school of fish in the presence of a tiger shark. True or false
IgorC [24]

Answer:

false...

Explanation:

botanists study about plants

7 0
3 years ago
How did Linnaeus divide plants and animals<br> into smaller categories?
Phoenix [80]

Answer: In the taxonomy of Linnaeus there are three kingdoms, divided into classes, and they, in turn, into orders, genera (singular: genus), and species (singular: species), with an additional rank lower than species. a term for rank-based classification of organisms, in general.

3 0
3 years ago
Read 2 more answers
What is a version of variation of a gene? Allele. Gene. DNA. Trait
Marrrta [24]

Answer:

Allele

Explanation:

7 0
4 years ago
A chemist has discovered a drug that blocks phosphoglucoisomerase, an enzyme that catalyzes the second reaction in glycolysis. H
FromTheMoon [43]

Answer:

b) human cells must also perform glycolysis: the drug might also poison them.

Explanation:

Glycolysis is an absolute necessity for each living organism or each living cell be it a prokaryote or eukaryote beacuse glycolysis is one of the processes which are involved in energy production or ATP production which means that if glycolysis will not occur then ATP will not be produced and organism will die out due to the lack of energy. Also, the pathway of glycolysis is same in each organism which simply means that same kind of enzymes will be used during glycolysis by bacteria as well as the human being which has bacteria inside his body. So if we will administer a drug to block phosphoglucoisomerase enzyme to kill bacteria, the drug will block this enzyme in both the organisms i.e. in bacteria and also in host organism. As a result of which glycolysis will halt in both of them leading to the death of both the organisms. The use of this drug is therefore not recommended.  

4 0
3 years ago
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