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Sunny_sXe [5.5K]
3 years ago
5

Any orgamism or particle that can cause an infectious disease?

Biology
1 answer:
Setler79 [48]3 years ago
5 0
I'm not sure, but maybe bacteria?

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John and Pat are identical twins with identical DNA. John works in a movie theater, and Pat works as a lifeguard. They have very
Elina [12.6K]

Answer:

A. Skin color, a polygenetic trait, is also determined by environmental factors.

Explanation:

When you are a lifegaurd you are outside much more which means you are very likely to get a tan; Therefore changing the pigment of Pat's skin.

I hope this helps you :) Have a nice day!

6 0
3 years ago
Read 2 more answers
A muscle contraction usually begins when
shepuryov [24]

Answer:

For a contraction to occur there must first be a stimulation of the muscle in the form of an impulse (action potential) from a motor neuron (nerve that connects to muscle). Note that one motor neuron does not stimulate the entire muscle but only a number of muscle fibres within a muscle.

Explanation:

7 0
3 years ago
How are the plants in a desert ecosystem most likely to differ from the plants in a rain forest ecosystem?
erik [133]
Hey,

I believe this answer is A: The desert plants are likely to be better at retaining water.

Which they do, and they have to cause water is very scarce in the desert unlike the rain forest.

Desert plants likely to be larger is not proven and most plants can vary in size.

Narrower stems may have something to do with it but that goes back to they have to hold more water so this is incorrect.

Brighter flowers doesn't have anything to do with water consumption within a plant so this is incorrect as well.

Hope this helps!
Brainliest is always appreciated if you feel its deserved.
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5 0
3 years ago
Read 2 more answers
Transpiration is the uptake of water into plants.
gizmo_the_mogwai [7]
The answer is false. :)
6 0
4 years ago
¿Qué áreas del conocimiento me pueden <br> aportar a la ejecución del proyecto? para un huerto
tensa zangetsu [6.8K]

Answer:

Conocimientos que pueden resultar muy útiles al momento de planificar un huerto:

- biología vegetal (características de las plantas que queremos producir)

- agronomía (características del terreno utilizado)

- condiciones ambientales (meteorología), como así también la disposición del lugar

Explanation:

Para iniciar un huerto en casa es necesario tener en cuenta una serie de factores que pueden influenciar en gran medida el éxito del proyecto:

-Tener en cuenta las características de las plantas que queremos producir es fundamental para lograr un óptimo crecimento. Por ejemplo, plantas que no resisten las heladas podrían morir en ciertas regiones, con lo cual las plantas deberían encontrarse en estos casos protegidas durante su desarrollo (por ejemplo, mediante un invernáculo).

- Buscar lugares bien iluminados. La presencia de luz es un factor fundamental para el crecimiento de las plantas.

- Riego y/o precipitaciones: tener en cuenta las necesidades hídricas de las plantas que queremos producir.

- Suelo: utilizar tierra abonada suele ser la mejor opción para brindarle a las plantas la mayor cantidad de nutrientes y así garantizar un óptimo crecimiento. En el caso de usar macetas, la presencia de huecos o el uso de vermiculita puede ser de gran ayuda para permitir la escorrentia del agua.

- Espacio: es necesario tener en cuenta el espaciado entre plantas para que puedan crecer normalmente.

-Tener en cuenta las plagas (insectos, nemátodos, etc) que podrían afectar el crecimiento de las plantas.

4 0
3 years ago
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