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Kipish [7]
3 years ago
8

Science helpThank You

Biology
1 answer:
katrin [286]3 years ago
8 0

Answer:

4.A

5.D

Explanation:

always happy to help a student with a question

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Which are examples of negative feedback? Select three options. a child whose thymus gland is building an immune system that gets
dimaraw [331]

Answer:

I believe #3, 4, & 5 is your answer.

Explanation:

-When someone's pancreas stops producing the hormone that lowers blood sugar because the  person hasn't eaten recently.

-When someone's pancreas hormone increases every time they eat, but decreases when they aren't eating.                                                                                

-When a person takes calcium supplements so a gland will stop secreting a hormone that pulls calcium from the bones.

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3 years ago
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When two species are forced to interact in a particular environment, how would
rjkz [21]

Answer:

Find the explanation below.

Explanation:

When two species find themselves in the same environment, the quest for survival would lead to interactions among themselves.

Competition would result when there are limited resources. For example, when Tigers and Lions who feed on the same prey exist together in an environment, a competitive relationship can result.

Predation is a sort of interaction where an organism feeds on a prey to survive. Here, the weaker animal/species stands the risk of being defeated in the battle for survival. For example, in some homes where cats and rats exist, the cats tend to prey on the rats.

Mutualism is a form of symbiotic relationship where the animals exist together in a cooperative manner. Most fungal species have been found to have a mutualistic relationship with the roots of plants. Each of these two is important to each other's survival.

7 0
3 years ago
Whats the connection between, Motion and Thermal energy?
Crazy boy [7]
As motion accelerates it produces heat, as heat of an object increases or decreases, affects its potential to be moved 
4 0
4 years ago
Which kind of compound increases the hydrogen ion concentration in a solution?
cupoosta [38]
Hi,
I think the answer you are looking for is “acid compound”.

I hope this helps. If you’d like further explanation please let me know. Also, English is not my first language, so I’m sorry for any mistakes.
3 0
3 years ago
4. Which pathway represents the flow of electrons during photosynthesis? (1 point) A.) H2O > Photosystem I > Photosystem I
Yuki888 [10]

Answer:

4. The correct pathway for the flow of electron during photosynthesis is mentioned in option D. H_{2}O > <em>NADP </em>> <em>Calvin cycle.</em>

  • Electron is first provided to the photo-system II by the phtolysis of water.
  • Then it is passed to photo-system I with the help of plastoquinone (PQ) and cytochrome b_{6}f.
  • Finally, electron from the photo-system II is used to reduce NADP to NADPH.
  • NADPH and ATP are used in light independent phase or Calvin cycle to synthesize carbohydrate from carbon dioxide.

5. The correct answer is B.) photosynthesis.

  • Photosynthesis is the process by which green plants synthesize glucose or carbohydrate from carbon dioxide and water in presence of sunlight and chlorophyll.
  • In light independent phase of photosynthesis, it requires ATP and NADPH  in order to synthesize food.
  • Lastly, oxidation or breaking down of glucose releases energy and photosynthesis is a anabolic process instead of catabolic one.  
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