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Eva8 [605]
2 years ago
14

Which of the following is true about the Earth’s atmosphere?

Biology
1 answer:
azamat2 years ago
4 0
Two of the above are true
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True or False: Some Greenhouse gases are naturally present in the Earth's atomshpere.
ElenaW [278]

Answer: True.

Explanation: Many greenhouse gases occur naturally in the atmosphere, such as carbon dioxide, methane, water vapor, and nitrous oxide, while others are synthetic.

4 0
3 years ago
Read 2 more answers
Austin and Marissa hypothesize that coneflower stomata use feedback loops to respond to moisture levels by opening when there is
zheka24 [161]

Austin and Marissa should observe the number of open stomata on one leaf, mist the leaf with water, wait one hour, and count the number of open stomata again.

In the epidermis of tree leaves and needles, there are cell structures called stomata that play a role in the exchange of water and carbon dioxide between plants and the atmosphere.

Stomata, the tiny pores on the outside of leaves and stalks, control how gases enter and exit leaves and therefore, how plants as a whole function. On all periods, ranging from minutes to millennia, they adjust to regional and global changes.

Guard cells are a pair of specialized epidermal cells that make up stomata. By adjusting the size of the stomatal pore, stomata govern water loss and the exchange of gases between the plant and its surroundings.


To learn more about stomata please visit -
brainly.com/question/27780594
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5 0
2 years ago
Suppose two independently assorting genes are involved in the pathway that determines fruit color in squash. These genes interac
Vaselesa [24]

Answer:

120 white individuals

30 yellow individuals

10 green individuals  

Explanation:

Available data:

  • Dominant epistasis: Phenotypic frequencies 12:3:1
  • W allele codes for a dominant white phenotype
  • w allele codes for a colored squash
  • Y allele codes for a dominant yellow phenotype
  • y allele codes for a recessive green phenotype
  • W allele will always mask the phenotype produced by Y or y alleles
  • 160 offspring

Dihybrid Cross

Parental)   WwYy      x      WwYy

Gametes) WY   Wy    wY    wy

                 WY   Wy    wY    wy

Punnet Square)

                            WY         Wy        wY       wy

               WY     WWYY   WWYy   WwYY  WwYy

               Wy      WWYy   WWyy    WwYy  Wwyy

               wY      WwYY   WwYy    wwYY  wwYy

               wy       WwYy   Wwyy    wwYy  wwyy

F1 Phenotypic Frequency)

White phenotype: 12/16 = 120 individuals

Yellow phenotype: 3/16 = 30 individuals

Green Phenotype: 1/16 = 10 individuals

To know how many offspring are expected to have the white, yellow, and green phenotypes, you can perform a three simple rule. This is:

16 ------- 160 offspring

12 White ------- X = 120 offspring

3 Yellow ------- X= 30 offspring

1 Green --------X = 10 offspring              

3 0
3 years ago
Which of the following processes help a plant conserve water?
kolbaska11 [484]

Answer:

Transpiration

Explanation:

The surface of a leaf has many tiny pores, called stomata. The stomata allow carbon dioxide into the leaf so that photosynthesis can occur. They also allow water to leave the leaf by transpiration.This helps the plant to conserve water.

6 0
2 years ago
Place the following organisms in their
Sveta_85 [38]

Answer:

grass deer wolf grizzly bear

430

Explanation: when calculating this you repeatingly divide by 10. If you going the other way you multiply by 10.

7 0
3 years ago
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