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Elden [556K]
3 years ago
11

Evidence indicates that plants increase the number of stomata in their leaves as atmospheric CO2 levels decline. Increasing the

number of stomata per unit surface area should have the effect of doing which of the following?
1. increasing dehydration of leaf tissues2 decreasing dehydration of leaf tissues3. countering the effect of declining CO2 on photosynthesis4.reinforcing the effect of declining CO2 on photosynthesis
Biology
1 answer:
podryga [215]3 years ago
7 0

Answer:

The correct answer is 3 countering the affect of declining CO2 on photosynthesis.

Explanation:

Carbon di oxide is an important reactant of photosynthesis.The atmospheric CO2 label regulates the rate of photosynthesis.

     When the label of atmospheric CO2 decrease the photosynthesis rate also declines.

   So to countering the effect of declining CO2 on phosynthesis plants increase the number of stomata in their leaves.

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Predict what the calf produced in a union between each of these parents might look like. Explain your answers.
Charra [1.4K]
We know that purebred means that the organism contains the same alleles for the trait and hybrid means that it contains two different alleles for the trait. Dominant means that it will be shown in a hybrid and a purebred, but recessive traits will only be shown in purebred recessive organisms.

a) The offspring of a purebred white (recessive) cow and a purebred brown (dominant) bull, would be all hybrid brown (dominant). This is because as I stated above, dominant traits are shown when the offspring has both dominant and recessive alleles for the same trait.

b) The offspring of a purebred brown (dominant) cow and a purebred brown (dominant) bull would all be purebred brown (dominant). This is because if both of the parents have only alleles that code for brown color, the only color that the offspring can be is brown.

c) The offspring of a purebred white (recessive) cow and a purebred white (recessive ) bull would all be purebred white (recessive), for the same reason stated above in part b), the only difference being that the alleles are recessive and code for white color instead of being dominant and coding for brown color.

d) The offspring of a hybrid brown (dominant) cow and a purebred white (recessive) bull would be half hybrid brown (dominant) and half purebred white (recessive). This can be seen best if you set up a Punnett Square, which is a diagram that shows allele frequencies in offspring. This shows you that the chance that the offspring get the dominant allele from the mother cow is 50%, thus 50% would be hybrid brown (dominant), as the father can contribute only a recessive white allele. The other 50% would be purebred white (recessive) because the mother cow would be contributing a white allele and so would the father.

Hope this helps! :)
7 0
3 years ago
Mammals whose young develop in a pouch on the mother's body are called
DaniilM [7]
The correct answer is: marsupials.

Marsupials are actually defined by their ability to hold the young in the pouches, where they can be well protected. Some examples are Kangaroos and Koalas.


Other answers are wrong: for example, gymnosperms are plants, not animals.

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Answer:y4e8igtuh5toi4h5ti bw4o5y6to4u56o48wy5

Explanation: imagine getting scammed

6 0
3 years ago
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zimovet [89]

Answer:

your answer will be D hope ur help and mark me brainlist

5 0
3 years ago
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kirill115 [55]

I agree with you, i think that the best answer would be D. I hope this helps, and good luck

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