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vova2212 [387]
3 years ago
5

Briefly explain the slide preparation for Dark and bright field microscope ​

Biology
2 answers:
mamaluj [8]3 years ago
4 0

Answer:

dhehfhsghfgwhgf

Explanation:

Kruka [31]3 years ago
4 0

hshsbdidjhdhshshsbsbs

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Why is the menstrual cycle an important adaptation for reproduction in humans?
raketka [301]
The menstrual cycle is practically controlled by a system of hormones that is necessary for reproduction, and when the hormone reaches a heightened level, something called estradiol is made, then the stimulation of the ovaries by a luteinizing hormone.

Once that hormone begins developing, the ovaries make an egg that quickly becomes an ovum. The ovary then releases one egg or two during ovulation. The endometrium (the part that sheds its own cells for the menstruation) peaks after ovulation and changes the lining of the uterus to prepare for the hectic process of pregnancy and child labor. 

Hope that was helpful.
5 0
3 years ago
Comparative embryology helped clarify the relationships among major groups of animals while the bilaterians
tresset_1 [31]
<h2>Coelomates &  Pseudocoelomates </h2>

Explanation:

  • Coelomates: Animals that have a body that incorporates voids are known as coelomates, they have a total body structure, and their bodies are ensured by coelom which goes about as a body skeleton and spares all the interior organs from outer pressure. The coelom is shaped at the stage known as gastrula, after various procedures which incorporate different capacities the mesoderm is isolated into two sections and coelom begins existing between them. The primary layer is near the body itself called endoderm while the other layer is at the external side known as ectoderm.  
  • Pseudocoelomates: Animals that don't have an appropriate body hole are known as pseudocoelomates. This is a direct result of the explanation that they have pseudo coelom which is available between the ectoderm and endoderm and lies outside the mesoderm. They are likewise dissipated and present at more than one spots, thusly, have a structure which doesn't appear to be like different species. In spite of the fact that it is a body cavity and capacities appropriately but since of their temperament, the liquid isn't line appropriately however fills the assemblage of creatures, in light of this the organs are put near one another in a dispersed way and thusly doesn't permit the body to shape a legitimate skeleton.

8 0
3 years ago
Which evidence from King's speech is most relevant in supporting the claim identified in Part A?
saw5 [17]

Answer:

"...for many of our white brothers, as evidenced by their presence here today, have come to realize that their destiny is tied up with our destiny."

(A)

3 0
3 years ago
What is the key difference between a community and an ecosystem.
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A community is diverse species living together
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6 0
3 years ago
List three reasons why phytoplankton cannot survive at a hydrothermal vent
Doss [256]

Answer:

1. phytoplankton and other organisms harness sunlight , to create photosynthesis , near hydrothermal vent there is no sunlight

2. Phytoplankton need nutrients to grow, so when there's none at the surface they can't thrive, and there's no surface in hydrothermal vent

3.  The ocean's increasing acidity will most likely kill them.

Hope that helps

Explanation:

4 0
3 years ago
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