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sattari [20]
3 years ago
7

Balancing, running, and jumping are all examples of _________ motor skills.

Biology
1 answer:
Margarita [4]3 years ago
3 0

Balancing, running, and jumping are all examples of <em>gross</em> motor skills.

_________________________________________________

I quote from Wikipedia:

"Gross motor skills are the abilities usually acquired during childhood as part of a child's motor learning. By the time they reach two years of age, almost all children are able to stand up, walk, jump, run, walk up stairs, etc. etc."


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Which is an abiotic factor that affects a freshwater ecosystem apex?
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My guess is that fat-soluble toxins that may occur in freshwater ecosystems would most affect apex species in these ecosystems. This is because fat-soluble toxins are stored in the fat reserves of animals, and then bioaccumulate up the food chain. So in this case, most of the toxin is not secreted, but stored within the food chain, and bioaccumulates, with the concentration becoming higher the further up the food chain. 
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Vikki [24]

<u>Answer</u>: The answers are matched as follows:

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<u>Explanation</u>:

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  • Mount Saint Helens is a volcano and its eruption which harms the population of the trees in the area is a form of natural disaster since volcanic eruption is a <em>natural</em> <em>phenomena</em>.
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