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Tcecarenko [31]
3 years ago
9

How are carbon and oxygen alike?

Biology
1 answer:
elena-s [515]3 years ago
7 0
They can both burn gasses.
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A food chain contains oak trees (producer), mice (herbivore), black rat snakes (carnivore), and bald eagles (carnivore). How man
VMariaS [17]

Answer:

It has 4 trophic levels.

Explanation:

The first level would be the producers, followed by the primary consumers, then the secondary consumers, then the tertiary comsumers.

              /    Tertiary consumers          \

           /   Secondary Consumers           \

        /    Primary Consumers                     \

     /           Producers                                   \

 /________________________________\

5 0
3 years ago
The example of dying coral reefs illustrates that
Alexus [3.1K]

Answer:

D

Explanation:

You can immediately eliminate B and C. So between A and D, D is the best answer.

5 0
3 years ago
What can be said about an endothermic reaction with a negative entropy change? the reaction is what can be said about an endothe
zimovet [89]
The reaction of a particular endothermic reaction whether in a negative or positive entropy change is always spontaneous. Temperature differences will be spontaneous throughout the reaction but one thing is constant, heat will always be produced within the said reaction.
7 0
3 years ago
Birds with average-size wings survived a severe storm more successfully than other birds in the same population with longer or s
Alekssandra [29.7K]
The correct answer is stabilising selection. This is selection that favours an average trait value. It is thought that this sort of selection is very common as traits among most animals do not appear to change drastically over time. Stabilising selection selects against the extreme traits, and leads to a decrease in genetic diversity by favouring the average phenotypes. 
3 0
3 years ago
3. In one population, 18 individuals have long hair and 182 individuals have short hair. It is known thatmating has been random
pishuonlain [190]

Answer: p (short hair) = 0.91 and q (long hair) = 0.09

Explanation: In the population, short hair is a feature of domnant allele, because there are more short haired individuals than with long hair. In genetics, p is the frequency for dominant allele and q is for recessive allele.

For this question, short hair is allele L and long hair is allele l

So, the frequency of short hair is p and of long hair is q.

To calculate the frequencies:

Frequency of allele L = (number of copies of allele L in population) / (total number of L/l gene copies in population)

p = 182/200 = 0.91

The same formula goes for the recessive allele, so:

q = 18/200 = 0.09

Thus, the frequencies of hair allele are 0.91 and 0.09 for short and long, respectively.

8 0
3 years ago
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