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Llana [10]
3 years ago
13

Based on the graph, describe what is happening between 4 and 6

Biology
2 answers:
vredina [299]3 years ago
8 0
Do you have the picture of the assignment?
Tems11 [23]3 years ago
5 0

Answer:

?

Explanation:

There is no graph...........

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If a pathogen on food got past saliva, which additional defenses in the first line of defense would the pathogen contact?
Step2247 [10]

Answer:

D

Explanation:

Lymphocytes are the second line of defence

First line of defence indiscriminately defends against all pathogens unlike secondary response which is targeted. First line of defence refers to the external body components like skin, secretions from the body in the alimentary canel

Mucus traps pathogens. Stomach acid kills pathogens

7 0
3 years ago
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A malaria outbreak causing allele frequencies to change is an example of:
julsineya [31]

<u>Answer</u>: Natural selection.

<u>Explanation</u>:

  • The concept of <em>natural selection</em> was given by <em>Charles Darwin.</em>
  • According to this concept, in a given environment the organisms that possess <em>better adaptations</em> have<em> higher chances of survival</em> and, leave behind a <em>greater number of progenies</em>.
  • When malaria outbreak occurs, the allele frequencies change and only the organisms that possess the alleles which help them to <em>survive</em> this outbreak due to resistance against malarial infection will be selected by nature and<em> hence, this is an example of natural selection.</em>
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3 years ago
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Which best describes the first organisms on earth?
iris [78.8K]

Answer:

D. Simple Prokaryotes

Explanation:

Apex*

8 0
3 years ago
Which two features indicate that a cell is a plant cell and not an animal cell? A. cell membrane, flagella B. lysosome, vacuole
Triss [41]
c. cell wall, vacuole

Among the choices above, the two features that indicate that a cell is a plant cell is the cell wall and vacuole. The cell wall can only be found in plant cells. It is the rigid cell that surrounds the cell membrane. The vacuole of a plant cell and animal cell are way too different. The vacuole of an animal cell is usually more than one and small, even smaller that that of the plant cell. On the other hand, the vacuole of the plant cell is only one in fact a large one that takes up almost 90 percent of the volume of the cell
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2 years ago
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Can someone answer these for me plz
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jsjs

jejsjsj

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3 years ago
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