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inysia [295]
2 years ago
7

Please and thank you

Biology
1 answer:
Tpy6a [65]2 years ago
8 0

Answer:

D

Explanation:

An experiment should be conducted several times to make sure the first time wasn’t just a fluke

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Do male or female songbirds build the nest? please show source and evidence to support your answer
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Actually it is the females the mostly build the nests the males will help build it sometimes both males and females will build it but typically it is females and that goes for all birds.

"Females typically build nests, but sometimes both parents or just the male"

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In addition to natural factors, human activity can also alter ecosystems. Conduct research on a human activity that currently af
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Answer:

<h2><em><u>In addition to natural factors, human activity can also alter ecosystems. Conduct research on a human activity that currently affects or can theoretically affect your chosen ecosystem. Use your food web model to explain how this change can affect the competition for food resources.</u></em></h2>

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The correct answer is (b) <span>They can be directly observed.</span>
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Read 2 more answers
(03.02 MC)
Elenna [48]

The picture is a scientific model which is used to explain the concept of the water cycle by means of pictures and descriptions.

<h3>What is a scientific model?</h3>

A scientific model is a representation which may be in form of pictures, illustrations, objects, or ideas which are used to explain a particular concept by scientists.

Scientific models are usually employed to explain either difficult to understand concepts or scarcely observable phenomena in order to enrich the knowledge and comprehension of others.

The given illustration is an example of a scientific model. It is used to explain the concept of the water cycle. By means of pictures and descriptions, the various processes of the water cycle can be fully comprehended.

Also, by means of a cyclical illustration, the model helps to explain that the water cycle is a continuous repetitive process.

In conclusion, scientific models may be in form of pictures, illustrations or objects.

Learn more about scientific models at: brainly.com/question/18603376

#SPJ1

4 0
11 months ago
Please help thank you
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I believe it’s the first, third and fourth ones. I might be wrong and I’m sorry if I am.
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