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Vlad [161]
4 years ago
9

Valerie creates a model using three different rocks. The rocks are classified as igneous, metamorphic, and sedimentary.

Biology
2 answers:
galina1969 [7]4 years ago
7 0

Answer:

C.

SExplanation:

ASHA 777 [7]4 years ago
3 0

Answer:

c

Explanatio

shape

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What part of the female system is the usual site of fertilization of the ovulated oocyte?.
Paul [167]

Fertilization of the egg cell by the sperm usually takes place in the fallopian tube. The fertilized egg then travels to the uterus and implants in the endometrium.

<h3>What are fallopian tubes?</h3>
  • Fallopian tubes are also called oviducts or uterine tubes. It is the passage through which the egg enters the uterine cavity from the ovary.
  • Fallopian tubes are part of the reproductive tract. They have a smooth muscle wall, an inner mucous membrane, and an outer layer of loose supporting tissue (serosa).
<h3>Why does fertilization take place in the fallopian tubes?</h3>

The fallopian tube (oviduct) regulates fertilization through sperm induction and sperm hyperactivity. Sperm induction is achieved by rheotaxis, thermotaxis, and chemotaxis. Rheotaxis is caused by tubal fluid that creates a current flow from the tubal ampulla to the tubal isthmus.

To learn more about fallopian tubes visit:

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8 0
1 year ago
Which statement describes a factor that determines which plants come first or second or third during ecological succession?
IRINA_888 [86]

Answer:

I believe it is D.

Explanation:

Ecological succession has to do with how the habitat changes over time. So D would make the most sense.

4 0
3 years ago
Read 2 more answers
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