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Artyom0805 [142]
4 years ago
7

The digestive, circulatory, and muscular systems are all directed by ____? Answers: A) Nervous system B) Skeletal system C) Excr

etory system D) Integumentary system
Biology
2 answers:
malfutka [58]4 years ago
8 0
Integumentary system
balu736 [363]4 years ago
4 0
I'm pretty sure its D.
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Female cones produce what? Which contain eggs
Lyrx [107]

Answer:

Female cones contain eggs and produce seeds.

Explanation:

Strobiles, also known as cones, are structures commonly confused with flowers, but should not be so named. Found mainly in gymnosperms, strobiles are responsible for the formation of gametes.

Female cones are larger and more complex than male cones. They have egg scales, spiraling around the strobile axis, and these cones produce seeds. At the time of reproduction, the scales of this cone are well separated, ensuring that pollen grains reach the eggs, germinate and produce the pollen tube, which is responsible for bringing the male gamete to the female. It is these strobiles that will house the seed after fertilization.

8 0
3 years ago
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A cell with an extensive area of smooth endoplasmic reticulum is specialized to
Eva8 [605]

Lipid assembly and metabolisms. Examples of such cells include those of the endocrine and paracrine system that produce steroid hormones like corticosteroids and sex steroids. Examples of cells with high amounts of smooth endoplasmic reticulum are those of the gonads and the liver.       





6 0
3 years ago
⚠️⚠️ yes science question mhm look at photo please I beg I’m dying it’s my last 1 ⚠️⚠️
Kisachek [45]

Answer:

6,3, 2,1,-2

Explanation:

You just put the input in and find the output.

7 0
3 years ago
Cell theory has 3 basic parts:
zimovet [89]

Answer:

its all organisms are

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5 0
3 years ago
What is 16 nanometers to millimeters
Talja [164]

So to solve this problem, we are going to have to set up a couple unit conversions and then cancel units:

(\frac{16nm}{1})*(\frac{1x10^{-9}m}{1nm} )*(\frac{1mm}{1x10^{-3}m}  )=16x10^{-6}mm =1.6x10^{-5}mm

This method can be used to convert between many different units and is a very helpful tool for questions such as these.

8 0
4 years ago
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