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sergeinik [125]
3 years ago
11

What must always happen before a hypothesis can be formed?

Biology
2 answers:
Korolek [52]3 years ago
5 0
There must be a question before anything else!
rjkz [21]3 years ago
4 0
Before a hypothesis is made, a person must figure out a question in which is unanswered and involves envidence and reasearch to answer.
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Difference between specialist and generalist species and their niches?? Example of both?? A little help please
igor_vitrenko [27]

A generalist species is able to survive in a wide variety of environmental conditions and can make use of lots of different resources. Generalist species have a big niche. Humans, rabbits, house flies, and raccoons would all fall under the generalist species list.

A specialist species can only thrive is a small variety of environmental conditions and/or only has a limited diet. Specialist species have a small niche. Pandas, koalas, and salamanders would all fall under the specialist species list.

3 0
4 years ago
Describe the steps that your body takes when building immunity.
Sergio [31]

Answer:

Explanition:

The immune system is made up of special organs, cells and chemicals that fight infection (microbes). The main parts of the immune system are: white blood cells, antibodies, the complement system, the lymphatic system, the spleen, the thymus, and the bone marrow.

4 0
3 years ago
True or false: prokaryotes evolved before the first eukaryotes?
barxatty [35]

Answer:

True

Explanation:

A brainliest would be appreciated

7 0
3 years ago
Read 2 more answers
The codon GAU changes to GAA. this represents
Stella [2.4K]

Answer:

substituition

Explanation: U HAS BEEN SUBSTITUITED BY A

7 0
3 years ago
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
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