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Lynna [10]
3 years ago
7

In ancient times did people classify plants and animals by use?

Biology
1 answer:
Nutka1998 [239]3 years ago
8 0
No they look at it like food
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kobusy [5.1K]
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List all four body systems that make up the excretory system and give an example of how each body system eliminates waste.
mart [117]

Answer:

Organs of excretion make up the excretory system.

They include the :

kidneys-Blood by-products are filtered out by the kidneys and leave the body in urine form. They are part of the urinary system, which also includes the ureters, bladder, and urethra

large intestine-By-products enter the intestine and leave the body in the form of feces

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skin-Sweating eliminates excess water and salts, as well as a small amount of urea, a byproduct of protein catabolism

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4 0
3 years ago
Which region of winds do the tropical lows form in?
likoan [24]

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westerlies because in goggle it is given western part of troposphere

4 0
3 years ago
For a science fair project, two students decided to repeat the Hershey and Chase experiment, with modifications. They decided to
posledela

Answer:

The correct answer will be option-E

Explanation:

Hershey and Chase's experiment was performed to test whether DNA serves as the genetic material or protein.

To perform experiment they grew bacteriophage into radiolabeled phosphorus and sulfur compounds. The phosphorus is an integral part of the structure of DNA whereas proteins contain sulfur in their structure.  

In the given condition if radiolabeled nitrogen is utilized then the experiment will fail as the structure of proteins also contains an amino group( NH₂) in their structure as well as DNA. The scientist will not be able to identify whether the DNA is the genetic material or protein.

Thus, option-E is the correct answer.

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3 years ago
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