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Slav-nsk [51]
2 years ago
8

When two frog species, rana pipiens and rana sylvatica, mate, the offspring die early in embryonic development. this is an examp

le of ______. hybrid sterility mechanical isolation behavioral isolation hybrid inviability temporal isolation?
Biology
1 answer:
bezimeni [28]2 years ago
8 0
It's an example of reduced hybrid viability
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The coded information that the cell uses to synthesize many different proteins is stored in
Makovka662 [10]
The answer would be DNA
7 0
2 years ago
You have just delivered a premature baby. Your assessment reveals that he is breathing adequately; however, his heart rate is 90
s2008m [1.1K]

Answer:

The answer is letter B, keep him warm and ventilate with BVM.

Explanation:

In order to know more about the answer, let's check out the meaning of "Premature Baby" first.

Premature Baby- a baby born through premature birth <em>(fewer than 37 weeks).</em>  Babies are normally born at the usual <em>40 weeks.</em> Health problems may occur with premature babies, thus it is very important to monitor them.  

In the situation above, the premature baby's heart rate is only 90 beats/min. <em>A resting heart rate for a newborn infant is 130-150 beats per minute. </em>This means that the baby above has a slow heart rate. In order to increase the hear rate, it is important to keep the baby warm and to ventilate with a "Bag Valve Mask" (BVM). <u><em>An increase in internal temperature increases the heart rate. Increasing ventilation will also help increase the heart rate. </em></u>

<u><em>Remember: </em></u>Inhalation increases the heart rate.

4 0
3 years ago
A star has a high apparent magnitude and a low absolute magnitude. This star is likely
Romashka-Z-Leto [24]
Apparent magnitude : How bright a star appears to be

Absolute magnitude : How bright the star actually is

I think the answer is : A. close to earth

The stars only seems to be bright because its radiated from a close distance

hope this helps
8 0
3 years ago
In cod fishing, older and larger fish are more likely to be retained in nets than younger and smaller fish. Despite the removal
AlexFokin [52]

Answer:

D. Selection has led to decreases in the size of fish at the age of reproductive maturity.

Explanation:

The larger body size of the fishes is not an adaptive trait as it reduces the survival chances of these fishes. The process of natural selection tends to increase the frequency of the traits that increase the survival fitness of the organisms. Here, the fishes with smaller body size at the reproductive age have greater chances of survival and would reproduce more to leave more progeny. Over the generations, the selection pressure would increase the proportion of fishes that are smaller during reproductive age.

4 0
2 years ago
Read 2 more answers
Citrus trees are angiosperms and dicots. Which characteristic would citrus trees have? a) flower petals in multiples of three b)
nataly862011 [7]

The correct answer is b) herbaceous or woody stems..

i just took the test and got it right

trust.


6 0
3 years ago
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