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anyanavicka [17]
3 years ago
7

Scientific investigations are done by following which process?

Biology
1 answer:
DiKsa [7]3 years ago
8 0

Answer:

scientific theory

STEP BY STEP EXPLANATION

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What is one similarity between natural selection and artificial selection?
Tpy6a [65]

Answer:

B- environmental factors do most of the “selecting.”

Explanation:

Natural selection is the environment that the organism lives in, and the process which that organism changes by.

Artificial selection is when humans intervene and create an organism that isn't suited for their specific environment, but rather for the humans own liking.

Think of breeding dogs to be smaller, or more fluffy and adorable. These are not traits to help them survive in where they original environment was.

7 0
3 years ago
Climate warming trends allow plant and insect species to inhabit larger ranges. True or false?
attashe74 [19]

The right answer is True.

At the global level, climate change will contribute to the disruption of the Earth's natural ecosystems, which could lead to the extinction of wild animal species and plants. It is mainly the impact of climate change on habitat and ecosystems that will dictate the impacts on biodiversity (by expanding them or the opposite).

Climate change will profoundly affect agricultural and forestry production. The effects in terms of production potential will be very variable depending on the regions and plant cover. They can result in an overall tendency for moderate stimulation in temperate climates and for limited warming at 2 ° -3 ° C.

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3 years ago
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When does the cell cycle start at? When does it end?
disa [49]

The D period refers to the stage between the end of DNA replication and the splitting of the bacterial cell into two daughter cells. In cells with a nucleus, as in eukaryotes, the cell cycle is also divided into three periods: interphase, the mitotic (M) phase, and cytokinesis.

3 0
3 years ago
In what type of immunity will the defenses be triggered and react in the same manner, regardless of the organism invading
GalinKa [24]

Innate immunty

Explanation:

  • Innate immunity is a kind of immune response that is existing in our human body which is automatic and non- specific.
  • These defenses start to fight off pathogens before they start the effective action.
  • Innate immunity appears into action immediately when an antigen's presence is detected in the body.
  • It includes physical barriers like skin, chemical compounds in the blood and immune system cells like epithelial cells, that attack the foreign cells in our human body.
  • It is also known as Natural immunity.
6 0
3 years ago
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The type of hypersensitivity reaction that is mediated by IgG or IgM antibodies directed against target antigens on specific hos
Sladkaya [172]

Answer:

Type II Hypersensitivity

Explanation:

Hypersensitivity reactions are exaggerated immune responses that are detrimental to the host and Type II Hypersensitivity is also known as antibody-mediated hypersensitivity.

This type of hypersensitivity reaction involves humoral immunity and it occurs when IgM or IgG antibodies bind to cell surface antigens which lead to complement activation or IgG/FcγR interaction.

Clinical manifestations of Type II hypersensitivity responses include trans- fusion reactions, hemolytic disease of the newborn, autoimmune reactions to cellular antigens or tissues and hyperacute rejection of transplanted tissue.

4 0
3 years ago
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