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Verizon [17]
4 years ago
7

Anytime we speculate about a problem and think of an answer based on what we see on TV or read on the Internet, we are forming a

scientific theory.
True or False?
Biology
1 answer:
raketka [301]4 years ago
5 0
False because you have to have data 

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How can the environment affect an organism’s traits? Give two examples please!
denis23 [38]

Answer:

An organism will adapt to survive an environment. For example if an environment is very cold the organism will develop a thicker coat to trap in heat. Another example is if it is an environment with many trees, an organism might develop claws to climb trees or a tail to assist with balance and climbing

Explanation:

Hope this helps :)))

6 0
3 years ago
In acute respiratory distress syndrome (ARDS), alveoli and respiratory bronchioles fill with fluid as a result of which mechanis
Sholpan [36]

The smallest blood arteries in the lungs leak fluid into the tiniest air sacs where the blood is oxygenated, which is the mechanical cause of ARDS.

<h3>What is the causes of ARDS?</h3>

Sepsis, a dangerous and widespread bloodstream infection, is the most typical cause of ARDS. breathing in dangerous toxins. ARDS may develop as a result of breathing toxic gases, excessive smoke concentrations, aspirating vomit, or near-drowning incidents. acute pneumonia.

Sign of respiratory distress

  • Breathing rate.
  • Color changes.
  • Grunting.
  • Nose flaring.
  • Retractions etc.,

Learn more about respiratory distress here:

brainly.com/question/20819044

#SPJ4

4 0
2 years ago
Two Drosophila with genotypes AABBCC and aabbcc are crossed to produce a heterozygous offspring, AaBbCc (the gene order is unkno
Crank

Answer:

The double recombinant individuals are less frequent ---> Abc and aBC

Explanation:

We can know if genes are linked, by looking at the progeny distribution. In a tri-hybrid cross, If individuals, whose genes assort independently, are test crossed, they produce a progeny with equal phenotypic frequencies 1:1:1:1:1:1:1:1. If we observe a different distribution, meaning that phenotypes appear in different proportions, we can assume that genes are linked in the heterozygote parent.

We can recognize the parental gametes because their phenotypes are the most frequent in the descendants, while the double recombinants are the less frequent. Finally, the simple recombinant gametes are the ones with intermediate phenotypes frequencies.  

In the present example, the phenotypic ratio shows different proportions than the expected ones if they were not linked.

We can recognize the parental gametes in the descendants because their phenotypes are the most frequent,

  • ABC and abc   600    

while the double recombinants are less frequent.

  • Abc and aBC  50  

And simple recombinant gametes produced by the cross, which frequencies are intermediate.  

  • AbC and aBc 200
  • ABc and abC 150

a. Which phenotype represents the double crossovers

The double recombinants are less frequent ---> Abc and aBC

 

7 0
3 years ago
Describe how natural selection can occur in a population. Choose an organism that you suspect has undergone natural selection, w
Ahat [919]

Following general conditions are necessary for natural selection to occur in population:

  • More organisms are born than can survive.
  • Organisms vary in their characteristics, even within a species.
  • Differences in reproduction and survival are due to variation among organisms.

According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.

Galapagos Finches: The Galapagos finches studied by Darwin on his famous voyage are probably the most common example of natural selection.

5 0
4 years ago
1) Gases diffuse most efficiently across a (1point) A) thin, moist, selectively permeable membrane. B) thin, moist, impermeable
saul85 [17]
A thin, moist, selectively, permeable membrane.
6 0
3 years ago
Read 2 more answers
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