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-BARSIC- [3]
2 years ago
11

What prevents sperm cells from traveling the entire distance to the egg?

Biology
1 answer:
tatuchka [14]2 years ago
5 0
Birth control can prevent that. Such as condoms or diaphragms.
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What is the source of energy in a food web?
MatroZZZ [7]

Answer:

A

Explanation:

The sun is what drives most processes, the sun gives energy to the plants which help them grow resulting in creatures consuming the plants.  The sun is the major source so remeber that! :D                

I am sure this is the answer so I hope this helps you!

8 0
3 years ago
What sedimentary rock is formed by evaporation of seawater?
tatiyna
C.Halite is the correct answer these are formed by the evaporation of seawater and the salt remaining to help the rock to form.

Hope this helps!
4 0
3 years ago
Name the type of connective tissue that anchors the ribs onto the sternum.
Kazeer [188]

Hyaline cartilage makes up the costal cartilage that holds the ribs to the sternum. The most prevalent form of cartilage in the body is hyaline cartilage.

<h3>What is hyaline cartilage?</h3>

On the articulating surfaces of bones, in the larynx, trachea, and bronchi, as well as on the sternal ends of the ribs, hyaline cartilage is present. It imparts a rigid yet malleable form to the constructions.

Hyaline structures are connective tissues that anchor the ribs onto the sternum. Such structures and joints are robust because collagen fibers are present, but their mobility and flexibility are constrained. To reduce friction and provide cushioning at the joint surface, articular cartilage, also known as hyaline cartilage, covers the ends of bones.

Learn more about hyaline cartilage here:

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8 0
2 years ago
The production and consumption of atp during photosynthesis and cellular respiration. be detailed in where atp is made, and wher
Reika [66]
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide in the process of respiration, which is then used in photosynthesis. While water is broken down to form oxygen in photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.  ATP is manufactured as a result of several processes including fermentation, respiration and photosynthesis.
4 0
3 years ago
Read 2 more answers
When these muscles contract (during cold or fright), the slanted hair follicle is pulled upright, dimpling the skin surface with
inn [45]

The muscles that contract (during cold or fright), the slanted hair follicle is pulled upright, dimpling the skin surface with goosebumps are called arrector pili muscle.

The arrector pili muscle are tiny muscle that attaches to the base of the hair follicle at one end  and to the dermal tissue on the other end. When the body feels cold or fright the body generate heat and the arrector pili muscle contract all at once, that causes goosebumps on the skin.

The arrector pili muscle acts as the thermoregulator. Straight stand hair increases air trapping, so that the heat loss from the body decreases. The arrector pili muscle are mediated by the sympathetic nervous system.

To learn more about sympathetic nervous system here

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3 0
1 year ago
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