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Lina20 [59]
3 years ago
7

1.what are the features that made the Pteridophyta advanced over the Bryophytes

Biology
1 answer:
Strike441 [17]3 years ago
3 0

Answer:

I know it but I don't remenber let me see my notes

Explanation:

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Are SA citizens vaccinated against yellow fever? give two reason for your answer.
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South African people are vaccinated with Yellow fever. First, SA is strict in the implementation proof of vaccination in travelers coming in the country. The vaccination card must show vaccination at least ten days prior to travel. This is to prevent reintroduction of the disease to SA people. Second, In the list of Center for Disease Control, South Africa is not included in the countries with an endemic Yellow fever which means that the disease is wiped out if not controlled through vaccination.
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How do interactions among organisms affect their ecosystem
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Cual es la causa para que los oceanos se expanden entre 3 y 10 cm por año
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A student drew this model of the trophic levels of an ecosystem. How can you improve this model’s accuracy?
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B, because as energy is move up form the phyramid, energy is lost.

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The pupil is the adjustable opening in the center of the eye through which light enters. transparent structure that focuses ligh
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Answer:

1) IRIS

2) LENS

3) RETINA

4) Fovea Centralis

Note: Answers 1 - 4 follows question pattern

Explanation:

The PUPIL is the hole in the MIDDLE of the IRIS of the eye, through which light passes to be focused on the RETINA.

The IRIS is the contractile membrane perforated by the pupil, which adjusts to control the amount of light reaching the retina, and which forms the colored portion of the eye

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RETINA helps to receive light rays that the lens has focused. It contains two cells: rods and cones

Fovea Centralis is at the center of the retina responsible for sharp and accurate vision, also it is where cones cells cluster.

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