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zmey [24]
3 years ago
10

Sam and Ben collected some pond water for science class. They wanted to see what was living in the water. They could see green a

lgae, but Sam believed there were other things there as well. What piece of lab equipment should they use to see the smallest animals that live in the pond water?
Biology
1 answer:
Vladimir [108]3 years ago
3 0

Answer;

Microscope  

Explanation;

A microscope is an instrument used to see objects that are too small to be seen by the naked eye.

A microscope may be used to look at the anatomy of small organisms such as insects, the fine structure of rocks and crystals, or individual cells. Depending on the type of microscope, the magnified image may be two-dimensional or three-dimensional.

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In the 1950s, when Watson and Crick were working on their model of DNA, which concepts were well accepted by the scientific comm
bogdanovich [222]

Answer:

The correct answer will be-

1. Chromosomes are made up of protein and nucleic acid.

2. Genes are located on chromosomes.

3. Chromosomes are found in the nucleus.

Explanation:

Watson and Crick are known for their findings on the structure of DNA in 1953. Their findings were motivated by the book called "What is Life?".

The book stated the concepts which were well accepted by the scientific communities that is the gene determines the trait which is located on the chromosomes proved by the experiments of Morgan.  

The chromosomes are the condensed structure present in the nucleus was suggested by the Nageli in 1884. The chromosomes are composed of nucleic acid and protein was also proved and was well-accepted fact.

But the genes are made up of DNA was not well accepted which was suggested by the experiments of Avery in 1940s.

Thus, the selected options are the correct answer.

5 0
4 years ago
How does soil form from bare rock?
icang [17]
The rock erodes over time and creates soft, supple material which we refer to as soil
5 0
3 years ago
In an experiment, shara feeds her rat different brands of rat food (brands x, y, and z) each for 2 weeks and weighs the rat over
Advocard [28]

The variables are defined as the factors in an experiment, which are liable to change. The variable can be dependent or independent. The Independent variable is a variable, which is unaffected by the changes in the other variables.

In this case, the brand of the food Shara feeds to the rats is independent factor, but it is changes in the system, so, it is an independent variable.

The effect on the weight of the rat is dependent on the brand of food they are consuming. So, the weight of rats is dependent variable.

8 0
3 years ago
Read 2 more answers
if the Earth is 150,100,000 x 150,100,000 of land area, how much land area is included in the biodiversity hot spots???
REY [17]

Answer:

Protecting Biodiversity: Biodiversity Hotspots About half of all plant and animal spp. ... If Earth has 150,100,000 sq km of land, how much land area is included in hot spots 0.1 x 0.157 = 0.0157 0.0157 x 150,100,000 = 2,356,570 sq. km.

Explanation:

hope it helps you

❤❤❤❤❤❤

5 0
4 years ago
How many bacteria would there be if 500 bacteria underwent fission every 20 minutes for an hour?
Alex73 [517]

Answer:

hjftjir?urififukfjf

Explanation:

Genel bilgi toplama sistemi yani GBT, ülkemizde, İçişleri Bakanlığı'na bağlı olarak “Adli Sicil Yönetmeliği” ile uygulanan bir veri toplama uygulamasıdır. ... Sistem, mahkeme kararı ya da hakkında adli karar olmadan değiştirilmesi mümkün olmayan verileri içermektedirGenel bilgi toplama sistemi yani GBT, ülkemizde, İçişleri Bakanlığı'na bağlı olarak “Adli Sicil Yönetmeliği” ile uygulanan bir veri toplama uygulamasıdır. ... Sistem, mahkeme kararı ya da hakkında adli karar olmadan değiştirilmesi mümkün olmayan verileri içermektedirGenel bilgi toplama sistemi yani GBT, ülkemizde, İçişleri Bakanlığı'na bağlı olarak “Adli Sicil Yönetmeliği” ile uygulanan bir veri toplama uygulamasıdır. ... Sistem, mahkeme kararı ya da hakkında adli karar olmadan değiştirilmesi mümkün olmayan verileri içermektedir

3 0
3 years ago
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