BIOLOGY MIDDLE SCHOOL

Which of the following items is the best example of a system?A. a tooth
B. claws
C. a hampster
D. fur

Answers

Answer 1
Answer: C a hampster because all the others are just parts of the system the hampster is the whole system. 
Answer 2
Answer: The correct answer is C.)A Hamster.

My reason being is because the Hamster has fur to keep it's organs warm , organs which include the lungs and etc , but to keep it simple , it's the claws fur a tooth well some teeth basically all of the above.

So the correct answer is C.) Hamster .
  

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(1) What transports oxygen through the body?(2) Which proteins catalyze chemical reaction?
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Answers

Answer:

(1) Red Blood Cell

(2) Enzymes

Explanation:

(1) Oxygenated Red Blood cells transport oxygen from the lungs through the body using the arteries as a channel of movement to all organs.

(2) Enzymes are proteins that catalyze chemical reaction in the digestion of food so as to break food down into a form which can be absorbed by the body.

Use the words evolution and ancestor in a sentence

Answers

Answer: The evolution of our ancestors has produced the product of mankind

Explanation:

Answer for random sampling lab data sheet table 1

Answers

Can you show the other steps?

Why do humans need more potent pesticides over time?A) because the target population soon develops a resistance to the chemical
B) because pesticide salesman need to make more money
C) because plants begin to eat the pesticides
D) because the explosive growth of the human population places increased demands on current farmers

Answers

Answer:

Why do humans need more potent pesticides over time?

because the target population soon develops a resistance to the chemical

Explanation:

Over time when pest are exposed to pesticides to much, at a point in time they will develop resistance which calls for change of pesticides application.

Answer:

A. Because the target population soon develops a resistance to the chemical

Explanation:

I believe this is the correct answer here because it would be similar to how humans develop tolerance for medicine and illicit drugs; over time, we would need more and more of the drug to achieve the same result. It is also logical. B and C are definitely not correct nor are they logical, and D is not logical either; human population growth does not influence current farmers that much, and even if it did, humans would not need a higher quality of pesticide, just a higher quantity.

A recessive allele t is responsible for a condition called distonia. A man who has this condition marries a woman who doesn't. One of their four children has the condition. What are the possible genotypes of the man and the woman? (Hint: To help you answer this question, create a Punnett square for each possibility.) A. Both parents are TT.
B. The father is tt; the mother is Tt.
C. The father is Tt; the mother is TT.
D. The father is tt; the mother is TT.

Answers

The correct answer would be: D.The father is tt; the mother is TT.
Look at this key:
TT-distonia
Tt-no distonia
So look at answer A. It says in your question that the man has the condition, but the woman does not. So the answer would not be A (TT). If the woman had the condition, that would be the answer.
Now look at B. Father has tt and mother has Tt. That means the father would not have the condition and the mother would not. So that's not correct either.
Now look at C. Father has Tt and mother has TT. That means that they both have it. 
Now look at the final choice: D. The father is tt and the mother is TT. The father has little t and little t, that is the 100% of having distonia. Mother has TT and not tt, so that means she will not get distonia. So that is correct.
And also, if there is a capital and lowercase letter next to each other, then think about it, the capital one is 'stronger', so it has that whatever case. 

Hope this helps! :-)

Where are (sea) turtles mostly hunted?

Answers

Mostly on the beach or the sand
Most of the time, they are hunted towards the Atlantic Ocean Region because that is where they are when traveling from sea to sea. They come to the Pacific Ocean and the Caribbean during the summer because the water is warm, but once winter starts, they travel through the Atlantic to reach sunnier areas where the water isn't so cold.
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