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shusha [124]
3 years ago
15

List and describe at least 3 sources of variation.

Biology
1 answer:
dybincka [34]3 years ago
8 0

Answer:

mutation, recombination, and immigration of genes.

Explanation: I think this is it if not please tell me and can I have brailiest

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I think the property developer should build a ........ because ......
podryga [215]

Answer:

a property  should build a Mcdonalds because not only does it taste good he'll make more money from it. usally  people look for protien in food well a tuna roll only has 24 grams of protein unlike our big mac and double cheeseburger have 25 grams of protein and taste better. not only this but our medium fry has more carbohydrates, we have 43 grams of  carbohydrates  and sushi has none !!! . yes there might be more calories but when ur looking for something close and near that also taste good you should go to mcdonalds

Expnation:

8 0
3 years ago
In a cross-bed, the bottoms of rock layers are curved due to the bottoms being eroded. true false
mojhsa [17]
It's going to be false 
3 0
4 years ago
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Proteins are different based on number and type of ____________ contained in their polypeptide chain(s). A) fatty acids B) amino
creativ13 [48]
Amino Acids. 

Hope I helped. 
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3 years ago
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Organelles, cells, tissues, organs, and organ systems work together to build, break down, take in, and transport many types of _
kap26 [50]
I guess its proteins?? because its needed for building protoplaam
7 0
3 years ago
Why do individuals who suffer from brainstem injuries have difficulty with their autonomic functions?
scoundrel [369]

Answer: The brainstem controls autonomic functions through cranial nerves arising from it, along with the medulla oblongata, therefore an injury to the area can cause loss of these functions.

Explanation:

The brainstem comprises of the midbrain, and the pons and medulla of the hindbrain. It is in direct continuation with the spinal cord. Ten cranial nerves arise from this part, and a number of tracts pass through this region. The medulla of the brainstem are particularly involved in maintaining heart rate, breathing and blood pressure. In case of a brainstem injury, the cranial nerves responsible for autonomic functions could get damaged leading to dysfunction and/or the areas of medulla consisting of centres controlling heart rate, blood pressure or other autonomic functions, if damaged could cause difficulties.

4 0
3 years ago
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