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Harman [31]
3 years ago
10

The phosphorus cycle differs from the biogeochemical cycles in that

Biology
1 answer:
jarptica [38.1K]3 years ago
3 0

The foundation of relative dating is it does not have an atmospheric reservoir. The phosphorus cycle does not include gas phase. Its largest reservoir is located in sedimentary rocks, and the cycle begins there. Phosphate from rocks are eliminated and then released into the soil and water. The phosphate ions then absorbed by plants and transferred to animals or organisms which eat plants. It is then returned to the soil by way of excretion and decomposed by plants and animals when they die.

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The moth species Biston betularia has two color morphs, or variants. One has a speckled white and black color, while the other i
Oksana_A [137]

Answer:

D. Changes in the environment changed each morph's ability to evade predation in different ways.

Explanation:

The moth species<em> Biston betularia</em> has two color morphs, or variants. One has a speckled white and black color, while the other is all black. Over the period of time, the distribution of moths dramatically changed between 1900 and 1950 in such a way that black morph became dominant but speckled morphs became very much declined in abundance. The reasons behind this change was heavy industrial pollution in UK between 1900 and 1950.

When the environment became very polluted, dark and blackish, the speckled moth had more chanced of getting eaten by predators thats why they declined in number  as compared to black morphs. On the other hand, backgrounds of grime and soot made black morphs less visible to the predators and they survived well. This is an excellent example of natural selection that only those specie better survive that have the ability to cope better with adverse environmental fluctuations.

Therefore, option D is best option.

Hope it help!

8 0
3 years ago
Which most accurately describes the basis of the scientific method?
Tanzania [10]

The scientific method's foundation is best described as "the process of hypothesis and testing through which scientific inquiry happens." Thus, the correct option is D.

<h3>What is scientific method?</h3>

The scientific method is a set of actions that are followed in order to develop scientific knowledge.

The scientific process includes the following steps:

  1. To make observations on a particular natural occurrence and then generate questions based on those observations.
  2. To answer these questions, you must propose a credible explanation (i.e., a hypothesis).
  3. To put the working hypothesis to the test using experimental and/or observational methods.
  4. To gather information in order to confirm or refute a working theory.
  5. Analyze the findings and develop conclusions.

For more information regarding scientific method, visit:

brainly.com/question/17216882

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5 0
1 year ago
"Meghan was driving home when she heard a tire explode on the car right next to her. As a result, her heart started pounding and
Aliun [14]

Answer:

Sympathetic nervous system

Explanation:

The sympathetic nervous system of the autonomic division prepares the body for stress or emergency conditions by generating the “fight-or-flight” responses. The sympathetic nervous system triggers the release of stress hormones from the adrenal medulla to generate the set of physiological responses.

There is dilation of the pupil, and an increased rate of heartbeat and increased blood pressure. Other responses include dilation of airways and dilation of blood vessels that supply blood to skeletal muscles, heart muscles, liver, etc. Under the given emergency condition, the sympathetic nervous system of Meghan was activated to generate the fight or flight response.

8 0
3 years ago
Which of these is not part of insect immunity? A. enzyme activation of pathogen-killing chemicals B. activation of natural kille
Firlakuza [10]

Insect immunity doesn't include the property of an enzyme activation of pathogen-killing chemicals.

What is enzyme activation of pathogen?

Due to various trehalose's importance in pathogenic organisms, there has lately been a surge of interest in trehalose metabolism for therapeutic applications.

  • TPP (trehalose-6-phosphate phosphatase) is an important enzyme in the most important biosynthetic pathway (OtsAB).
  • The enzyme properties of recombinant TPPs from five key nematode and bacterial pathogens, including three new members of this protein family, are compared here.
  • The kinetics of trehalose-6-phosphate hydrolysis demonstrate that all five enzymes exhibit burst-like kinetic behaviour, defined by a drop in enzymatic rate beyond the pre-steady state.
  • Multiple global conformational changes in members of this enzyme family during substrate processing can explain the observed super-stoichiometric burst amplitudes.

Hence, the correct answer is option A

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5 0
1 year ago
Which feature of Earth is part of the geosphere?<br> O air<br> O fish<br> O rocks<br> Oglaciers
Ipatiy [6.2K]

Answer:

Rocks

Explanation:

The geosphere includes the rocks and minerals on Earth – from the molten rock and heavy metals in the deep interior of the planet to the sand on beaches and peaks of mountains. The geosphere also includes the non-living parts of soils and the skeletons of animals that may become fossilized over geologic time.

7 0
3 years ago
Read 2 more answers
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