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11Alexandr11 [23.1K]
2 years ago
12

Which vector contained the infectious agent, Yersinia pestis?​

Biology
1 answer:
malfutka [58]2 years ago
8 0

Answer:

Yersinia pestis is the causative agent of plague

Explanation:

Rodents, such as rats, carry the disease. It is spread by their fleas.

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A dichotomous key is a
Anit [1.1K]

Answer:

A dichotomous key is a tool created by scientists to help scientists and laypeople identify objects and organisms.

can i have a Brainliest plz and thank you

8 0
3 years ago
Sign and symptoms of a disease depend on point of entry of a pathogen. Justify organ specific and tissue specific manifestation
Leokris [45]

Hi

It is true that the point of entry of a pathogen inside a body hold importance for the spread of pathogen. However, <em>organ and tissue specific manifestation is the real impact of a pathogen in any organism's body. Firstly we need to understand what is meant by Organ and tissue specific manifestation:</em>

It means that the specific organ or specific tissue is when affected by the entry of microbes or pathogens in the body, For example: The bacteria that cause tuberculosis enters the body through nose but manifests its action in lungs when multiplies there and affects the lungs' functionality and ultimately, depict the symptoms such as shortness and difficulty of breathing, this is basically organ specific manifestation.

Moreover, thee are some microbes that enter the body and damage certain tissues, for example HIV virus enters the body through sexual organs and travels to different tissues like nerve tissues, lymphatic system and damage them in a way that body's own immune system when counter reacts the microbes, it causes inflammation in the body and damage to overall tissues, This is called Tissue specific manifestation.

Hope it helps!

3 0
3 years ago
What is the name for runaway plant growth because of excess nitrogen
shusha [124]

The correct answer is Eutrophication.

When a body of water become enriched with nutrients and minerals and induces growth of algae and plants is referred to as eutrophication.

The process of eutrophication can result to water body depletion.

When there is increase in nutrient levels there is increase in phytoplankton in the water body.

Discharge of nitrates which contain sewage, fertilizer, and detergents in aquatic system may induce the eutrophication.

6 0
3 years ago
Read 2 more answers
PLEASE HELP !!! ASAPPPP !!!
STatiana [176]

Answer:

Is this USA Test prep?

I believe that it is all except the 2nd one

Explanation:

7 0
3 years ago
number these in order: 1 rise of angiosperms 2. 2 rise of gymnosperms 3. 3 rise of bryophytes 4. 4 rise of chemoautotrophs and p
valentina_108 [34]
1. rise of angiosperms
2. rise of chemoautotrophs and photoautrophs
3. rise of multicellularity
4. rise of bryophytes
5. rise of gymnosperms
6. rise of eukaryotes
7. rise of cyanobacteria 
8 0
2 years ago
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