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laiz [17]
4 years ago
15

Which is the best definition of directional selection

Biology
1 answer:
ruslelena [56]4 years ago
7 0
Is there a multiple choice or fill in the blank?
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What are Elements,Compound and Mixture.​
sergejj [24]

Answer:I hope this helps

Elements are substances that are made from one type of atom. An element cannot be broken down into any other substance. ... A mixture is made by simply mixing together elements and compounds. No new chemical bonds are formed.

Explanation:

6 0
4 years ago
Where are cardiac pacemakers usually positioned during​ implantation?
Ostrovityanka [42]
I believe they are positioned Beneath one of the clavicles. Pacemaker is a small device that's placed in the chest or abdomen to help control abnormal heart rhythms. This device uses electrical pulses to prompt the heart to beat at a normal rate. Pacemakers are used to treat arrhythmias. Arrhythmias are problems with the rate or rhythm of heartbeat.
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4 years ago
Can someone check these?
ivann1987 [24]

I'm pretty sure you got them all right. The last one just sounds sort of specific though as Stars are made of Plasma but they don't have heat from the atmosphere. But if you're speaking of only here on Earth then it's correct.

4 0
3 years ago
Read 2 more answers
The oil of your scalp is secreted by __________ glands associated with the hair follicles.
exis [7]

Sebum is secreted into hair follicles by sebaceous glands. Sebum is an oil that protects the skin from outside elements and keeps it nice and moist.

The numerous varieties of hair that can be found on the body are produced by the hair follicles.

<h3>What gland is referred to as sebaceous?</h3>

Sebaceous glands are tiny oil-producing glands found in mammal skin. Typically linked to hair follicles, sebaceous glands secrete a fatty substance called sebum into the follicular duct, which subsequently travels to the skin's surface.

<h3>What are the sebaceous glands used for?</h3>
  • Sebum is a complex mixture of oils that includes triglycerides and products of fatty acid breakdown, wax esters, squalene, cholesterol esters, and cholesterol.
  • The typical function of sebaceous glands is to create and secrete sebum.
  • Sebum makes the skin more resistant to moisture and lubricates it to defend against abrasion.
<h3>Where can you find the most sebaceous glands?</h3>

The face, scalp, chest, and back have the biggest and most sebaceous glands.

learn more about sebaceous glands here

brainly.com/question/10649665

#SPJ4

7 0
2 years ago
Why is hemophilia not a mendelian trait?
riadik2000 [5.3K]

Answer:

C.

Explanation:

Hemophilia could not be a Mendelian trait, due to it being a recessive X-linked trait. This is also why Hemophilia is more common in males.

5 0
3 years ago
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