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astra-53 [7]
3 years ago
5

Which best describes the brain stem?

Biology
1 answer:
sesenic [268]3 years ago
7 0
The best description about the brain stem is: it is the most important organ of our body's survival. It connects the brain and the spinal cord, controls the vital organs like the lungs and heart and it also coordinates the many essential body reflexes.
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Assume a population of deer has a crude birth rate of 36 per 1,000/yr, a crude death rate of 20 per 1,000/yr, an immigration rat
jeka57 [31]

Answer:

0.023%

Explanation:

The Population growth rate is a change in population with time taken into consideration. It can be expressed with the formula

N/t where N is the total change in the population size, and t is time.

When immigration and emigration are factored in, we now have the formula;

(CBR +I) - (CDR + I)/1000

= (36 + 15) - (20 + 8) = 51 - 28= 23\\\\expressing as a percentage of the population gives us,\\\\23/1000=0.023%\\\\

8 0
3 years ago
What phylum has spiny or leathery skin radial symmetry
ivann1987 [24]
Phylum Echinodermata
4 0
3 years ago
This is the karyotype of a child with a genetically inherited condition called klinefelter's syndrome. review the chromosomes of
Setler79 [48]
Klinifelter syndrome is a condition symbolized by XXY, in which ine extra X chromosome come from wither parent (either from mother or from father).
7 0
2 years ago
Read 2 more answers
Which behavior is a learned adaptation?
alina1380 [7]

Answer: the person before me is right. It’s a baby using a fork to eat.

Explanation: I just took the test! :)

5 0
2 years ago
21. This table classifies organisms into one of three domains. What is the
snow_lady [41]

Answer: The table shows 3 domain<em> Bacteria , Archae and Eukarya</em> on the basis of the difference in sequence of nucleotide in the rRNA and cells lipid structure and its sensitivity towards antibiotics.

Explanation:

The three domain system was given by Woese and others. They classified the organism into three domain based on the sequence of the nucleotides in the ribosomal RNA and lipid structure (cell membrane) and its sensitivity towards antibiotics.

rRNA was useful for classification because they carry out the same function and its structure has a very little change over the period of time. So, by studying the dissimilarities and similarities in the rRNA we can compare how closely related the species are.

The lipid cell structure(some might contain peptidoglycan others might not) of these three domains are different and their sensitivity towards antibiotics are also different so, these characters combinely helps in classification system.

6 0
3 years ago
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