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Flura [38]
2 years ago
6

I need someone to answer number 9 please

Biology
1 answer:
svetlana [45]2 years ago
6 0
the second one i’m pretty sure
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Hermit crabs have a soft belly and live in the ocean. To protect themselves, they crawl into discarded snail shells and use them
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The relationship between  the  hermit crabs and the snails  is  A.commensalism

Why? Commensalism refers to a relationship where one organism benefits  from the other without  affecting it. In this case, the hermit crab benefits from the  snails, via the latter's discarded shells. The crab's use of the  snails' shells has no impact on the  snails.
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3 years ago
A genetic disorder in which part of the X chromosome seems to be attached to the rest of it by a very thin string of molecules i
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Answer:

<em>fragile X syndrome </em>

Explanation:

<em>FMR1 gene mutations</em><em> trigger fragile X syndrome.</em>The gene FMR1 offers instructions on how to make a  protein called FMRP.

This gene helps to control the output of other proteins and plays a  part in the growth of synapses that are specific nerve cell connections.

It creates a <em>variety of developmental issues including intellectual disabilities and  cognitive impairment.</em> This disease usually affects males more significantly than women.

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3 years ago
according to the law of conservation of matter, matter is never created or destroyed. Yet in a food pyramid the amount of biomas
oksian1 [2.3K]

Answer:

According to the law of conservation of matter, matter is never created or destroyed but it can change from one form to another. Most of the biomass in a food web gets converted at each trophic level and it no longer remains apart of the food web. Most of the biomass is released into the atmosphere in the form of heat and hence cannot be transferred to the other trophic level. Also, matter is used up by the organism itself and converted into different forms. Most of the matter might get accumulated in the soil when the organisms of a trophic level die.

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3 years ago
Which of the following must a scientific idea be? Select all that apply. ((NO LINKS))
melamori03 [73]
I think it is repeatable, testable, observable
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3 years ago
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<h3>I think the answer is E(big eyeball), because big eyeball is dominant over small one</h3>
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3 years ago
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