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max2010maxim [7]
3 years ago
14

How are viruses and bacteria cause sickness in the homan body.

Biology
1 answer:
velikii [3]3 years ago
4 0

Answer:

viruses can make your body sick and your blood cells wouldn't be right so you have to be careful with shots or people ine general

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Where does the goldenrod plant originate from?
NikAS [45]
North america is the place in which the goldenrod originates from.
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3 years ago
What name did Wegener give to the single large landmass composed of all continents?
Nutka1998 [239]

Answer:

D. Pangaea

Explanation:

He called this movement a continental drift. Wegener was convinced that all of Earth's continents were once part of an enormous, single landmass called Pangaea. Wegener, trained as an astronomer, used biology, botany, and geology to describe Pangaea and continental drift.

Have a good day and stay safe!

8 0
3 years ago
Read 2 more answers
What factors influence gene flow between populations? 1. Differences in animal behavior and life history strategies can form eff
Whitepunk [10]

Answer:

All these factors affect gene flow:

1. Differences in animal behavior and life history strategies can form effective barriers to gene flow.

2. The home range size of the specie can also serve as a barrier to gene flow.

Explanation:

Firstly, gene flow is the transfer of genetic traits from one population to another. It is an important process for transferring genetic variations from one population to another.

There are several barriers or factors that limit or increase this gene flow.

Gene flow can be affected by mobility or rate of dispersal. It is expected to be lower in species with low mobility which is the movement from one place to another or low dispersal and vice versa. So a population with a shorter home range size can't effective aid gene flow as they interact only with individuals of the same population and vice versa.

Gene flow barrier could be by physical barriers which is the isolation of a geographical location preventing them from exchanging genetic materials with the same species of the sane population.

This type of physical barrier is usually but not always natural.

Barrier to gene flow could be reproductive preventing transfer of genectic materials due to differences in mating period, season of birth and so on.

Another barrier could be difrerneces in customs, ethnicity, religion and clans.

All these factors affect gene flow but the 3rd and 4th option are not totally true as barriers to gene flow are not totally physical geographical barriers and not totally anatomical differences but also soil preference and other factors.

Thanks.

3 0
3 years ago
PLEASE HELP!!!<br>How do the Aleutian volcanoes differ from the Cascades volcanoes?
Tasya [4]

Answer:

Type of Convergence - Ocean to continent for Cascade/ Ocean to Ocean for Aleutian

Explanation:

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What caused the End Ordovician extinction
attashe74 [19]

Answer:

the first wave of extinction may be related to rapid cooling at the end of the Ordovician Period, and the second phase is widely regarded as having been caused by the sea-level fall associated with the glaciation.

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