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fredd [130]
3 years ago
14

The series of changes that occur after a disturbance in an existing ecosystem is called

Biology
2 answers:
GalinKa [24]3 years ago
7 0
B- Secondary Succession
jasenka [17]3 years ago
7 0
Secondary succession (B).
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For the 4 types of symbiosis provide an example of symbiosis between humans and another organisms
ololo11 [35]

Answer:

Well one of the types of symbiosis is parasitism. Here an example would be a tapeworm (parasite) would live in and feed off a living host (humans in our case)

Explanation:

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Pathogens are transmitted in only two ways: by direct contact and by vectors.
Marina86 [1]

Answer: False

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Pathogens can be transmitted in many ways. It can spread by direct contact, indirect contact, or by vectors.

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The mode of transmission can be vector that carries disease and helps in disease transmission.

So, the pathogens can be transmitted by direct contact, indirect contact or by vectors and by many more ways.

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When did the first humans appear on earth
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