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pogonyaev
3 years ago
14

What is the difference between an autotroph and a heterotroph?

Biology
1 answer:
never [62]3 years ago
5 0
An autotroph produces its own food while a hetertroph has to find it/hunt for it/gather it
Examples~ 
Autotroph-Sunflower
Heterotroph-Wolf
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The fertilization of a female egg cell with a male sperm cell is also referred to as______________.
creativ13 [48]
<span>The fertilization of a female egg cell with a male sperm cell is also referred to as Conception (option D)

This process is also known as generative fertilization, conception, syngamy and impregnation. It is the union of gametes to begin the development of a new individual or organism.
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8 0
3 years ago
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Which of the following is NOT a function of Sertoli cells?
zalisa [80]

Answer:

The correct answer is option - d. Production of primary spermatocytes.

Explanation:

The accessory cells or supporting cells present within the seminiferous tubules of reproductive system termed as the Sertoli cells. They play various roles in the body and reproductive system.

Sertoli cells make blood-testis barrier in adjacent Sertoli cells in the seminiferous tubules. These cells secrete different types of enzymes and hormones such as inhibin which are also secreted by ovary and placenta in females. Sertoli cells produce seminiferous tubular fluid to provide nutrition to the sperm. Apoptotic germ cells are timely eliminated by these cells.

Thus, the correct answer is option D. Production of primary spermatocytes.

3 0
3 years ago
Which two materials form igneous rocks upon cooling?
Keith_Richards [23]

Answer: B) magma and lava

Explanation:

5 0
1 year ago
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The plasma membrane , according to the fluid-mosaic model is composed mailer of
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According to the accepted current theory, known as the fluid mosaic model, the plasma membrane is composed of a double layer (bilayer) of lipids, oily substances found in all cells. The fluid mosaic model was first proposed by S.J. The fluid mosaic model describes the structure of the plasma membrane as a mosaic of components —including phospholipids, cholesterol, proteins, and carbohydrates—that gives the membrane a fluid character. Plasma membranes range from 5 to 10 nm in thickness.

Thus this is the required answer.

5 0
3 years ago
Butterfly whose tail looks like a head
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A hairstreak butterfly my dear.
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3 years ago
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