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Ludmilka [50]
3 years ago
13

The diagram represents the first stage of embryonic development.

Biology
2 answers:
3241004551 [841]3 years ago
7 0
The answer is A) fertilization
Rasek [7]3 years ago
5 0

Answer: A(fertilization)

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What are endorphins and how do these chemicals alter the communication of pain in the body?
Solnce55 [7]

Endorphins are brain chemicals known as neurotransmitters which are released when the body feels a certain amount of stress and pain. Endorphins alter the communication of pain in the body by interacting with the opiate receptors and blocking the synapse so that signals cannot be sent to the brain in order to reduce an individual perception of pain.







4 0
3 years ago
Some members of the Euglenids are photosynthetic, yet they will lose their photosynthetic pigment if left in the dark. True or F
irga5000 [103]

A) Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE

B )The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False

<h3>What are Euglenas</h3>

Euglenas are unicellular organisms belonging to the kingdom Protista, when kept in the dark for too long Euglenoids begin to lose their chlorophyll. As it loses its chlorophyll it becomes unable to produce its own food and starts consuming bacterias within its habitat.

The loss of chlorophyll in Euglenids can be regained after it is been exposed to sunlight and allowed  to grow exponentially for several weeks.

Hence we can conclude that  Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE  while The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False

Learn more about Euglenoids : brainly.com/question/1278307

8 0
2 years ago
If methylene blue dye is added to a suspension of yeast cells, any living cells
GenaCL600 [577]

The correct option is that the higher the temperature of Y the more colorless cells it contains and is denoted as option B.

<h3>What is Temperature?</h3>

This us defined as the degree of hotness or coldness of a body and is dependent on thermal energy.

High temperature will denature yeast as a result of its rich protein content and increasing the temperature will therefore leads to the presence of more colorless cells in Y which are able to act on it.

Read more about Temperature here brainly.com/question/2331658

#SPJ1

4 0
2 years ago
Which landform is created when two continental plates are colliding?
Nutka1998 [239]

Answer:

C.rift valley

Explanation:

7 0
3 years ago
What is an example of a plant root?
Julli [10]

Plant Roots. The root system of a plant constantly provides the stems and leaves with water and dissolved minerals. In order to accomplish this the roots must grow into new regions of the soil. The growth and metabolism of the plant root system is supported by the process of photosynthesis occurring in the leaves.

4 0
3 years ago
Read 2 more answers
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