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Katarina [22]
3 years ago
12

True or False? "Scientists use ice cores to directly measure past climates"

Biology
2 answers:
In-s [12.5K]3 years ago
5 0

Answer:true

Explanation:

Ymorist [56]3 years ago
3 0

True

True

True

True

True

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Wind has no effect on a plants respiration rate
valentina_108 [34]

Wind has no effect on a plants respiration rate True

Where sugars are formed are referred to as the sink True

Both the xylem and phloem do not use any plant energy to translocation materials True

The amount of humidity in the air will affect transpiration True

The rate of transpiration reduces as the relative humidity of the air around the plant increases. Compared to more saturated air, dryer air makes it simpler for water to evaporate. A plant's transpiration rate will rise when air movement around it increases.

<h3>What about plants respiration?</h3>
  • Water vapor is lost via the process of transpiration through a plant's stomata.
  • When it's very hot outside, the plant loses water vapor to cool down, and water from the stem and roots flows up or is "drawn" into the leaves.
  • In addition, plant transpiration contributes significantly to the leaf's energy balance by providing evaporative cooling.
  • Additionally, the movement of water and nutrients from the roots to the shoots is accelerated by transpiration.
  • Plants use transpiration for a variety of purposes.
  • The direct effects of transpiration include controlling the plant's temperature and supplying water for photosynthesis.
  • Additionally, it facilitates the movement of glucose and nutrients through the plant's vascular tissues.
  • Plants lose water through a process known as transpiration.
  • A plant's roots can collect up to 99.5% of the water that the plant transpires, which is not used for growth or metabolism.
  • For the surroundings to remain wet, transpiration is necessary.

Learn more about plants respiration here:

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6 0
1 year ago
If the release of thyroid hormone (TH) was regulated by a long-loop negative feedback, where would you find the cells that are i
pav-90 [236]

Answer:

Hypothalamus and anterior pituitary gland.

Explanation:

Lower levels of T3 and T4 in the blood or lower metabolic rate serve as signal and stimulate the release of thyrotropin-releasing hormone (TRH) from the hypothalamus. The TRH stimulates the anterior pituitary gland to release thyroid-stimulating hormone (TSH) which in turn makes the thyroid gland to release the thyroid hormones.

The elevated levels of thyroid hormones inhibit the release of TRH from the hypothalamus and that of TSH from the anterior pituitary gland.

Hence, the cells of hypothalamus and anterior pituitary gland would be inhibited by the binding of thyroid hormone to regulate the release of these hormones by a negative feedback mechanism.

8 0
3 years ago
Read 2 more answers
Which statement best describes the relationship of photosynthesis and energy?
Lunna [17]

Answer:

The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which is  stored in the bonds of glucose.

Explanation:

8 0
3 years ago
The chart below shows the inferred evolution of some dinosaurs during three time periods in Earth’s history.
pochemuha

Answer:

camptosaurus

Explanation:

I think it's correct

4 0
3 years ago
Compare and contrast point mutations and chromosome mutations and explain the basis for classifying a mutation as beneficial, ne
zepelin [54]
<span>Point mutations are of two types: Substitutions of bases that are the change of one base of DNA by another. And Transitions that are replaced on a pyrrhic basis by another pyrrhic or a pyrimidine by another pyrimidine. Transversions: substitution of a pyrrhic base by another pyrimidine or vice versa. These mutations are negative because they affect only one of the nucleotides, and therefore, only one triplet of bases are affected. When the mutation does not affect the individual it is a silent mutation. Chromosomal mutations Changes in the structure of the diploid chromosomes, where one of the chromosomes has a mutation, will have another normal. They can hinder the process of meiosis in the carrier since it hinders the correct pairing of the homologous chromosomes. It would produce an unfeasible offspring or with mutations.</span>
5 0
3 years ago
Read 2 more answers
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