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Damm [24]
3 years ago
11

Food chains are more accurate than food webs in nature. True False

Biology
1 answer:
REY [17]3 years ago
4 0

Answer:

false

Explanation:

food webs are more accurate because the feeding relationships of organisms in the real world is almost always more complex than suggested by a food chain.

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A parent that is heterozygous for both traits (AaBb) can create how many different allele possibilities.
MAVERICK [17]
Distribute the A to the B and the b, then the a to the B and the b. You should get four different possible combinations: AB Ab aB ab. These would then be used to set up one side of a punnett square, and the other parent's genotype would be set up the same, then put on the other side of the punnett square. 
8 0
2 years ago
______ prevent or limit the ability of free radicals to damage polyunsaturated fatty acids and dna in cells.
vova2212 [387]

The answer is A. antioxidants. Antioxidants is the defense system of the body, it is also the involved prevention of the damage of the cell; examples are aging, common reason of cancer and also different kinds of diseases. There’s always a need to have antioxidants because our body needs protection for the damage by the oxidation may cause.

5 0
3 years ago
How is a scientific law different from scientific theory ​
Alika [10]

Answer: A scientific law is a theory that has been proven to be true everytime that event occurs, say laws of motion for example. A theory is really just a scientific hypothesis or a piece of knowledge believed to be true but not proven, its just a theory. Hope this helps, good luck!

4 0
3 years ago
Read 2 more answers
Which best describes how graphs are used in science? 1: A graph models data 2: A Graph is a type of map 3: A graph shows small-s
valentinak56 [21]
I would say answer one,
6 0
2 years ago
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You volunteer for a sleep study and the researchers discover that your blood oxygen level drops many times during the night. It
Ilia_Sergeevich [38]

<u>Complete Question:</u>

You volunteer for a sleep study and the researchers discover that your blood oxygen level drops many times during the night. It is likely that you have

A) sleep-onset insomnia.

B) REM behavior disorder.

C) narcolepsy.

D) sleep apnea.

<u>Correct Option:</u>

It is likely that you have "sleep apnea".

Option: D

<u>Explanation:</u>

Sleep apnea is a disorder which is identified by frequent stoppage and breathing start while sleeping. This is due to extreme relaxation of the throat muscles that hinder the normal breathing mechanism leading to reduced blood oxygen levels (recognized as hypopnea).

Throughout a sleep study, the patient's oxygen level is tracked with a pulse oxymeter connected to the hand, finger as well as other parts of the patient. An individual with SA will get a decreased amount of air in inhalation due to irregular breathing patterns while asleep.

4 0
3 years ago
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