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Aleksandr-060686 [28]
3 years ago
8

Write down the three characteristic features of human blood

Biology
1 answer:
Leokris [45]3 years ago
7 0

  • Blood is a fluid that is technically considered a connective tissue.
  • It is an extracellular matrix in which blood cells are suspended in plasma.
  • It normally has a pH of about 7.4 and is slightly denser and more viscous than water
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How are adenine and guanine alike and different
andre [41]
They both are constituents of DNA.
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3 years ago
-describe the 3 steps of embryonic development (cleavage division, gastrulation, organogenesis)
julsineya [31]

Answer:

Cleavage, in embryology, in the first few cell divisions of the zygote. Initially, the zygote separates into the longitudinal axis. The second division is also longitudinal but at 90 degrees on the first plane. The process produces a multicellular embryo. It is an assembling process that divides the seed into developmental regions. Zygote cytoplasm includes chemicals that control gene expression.

Gastrulation is characterized as an early embryonic phase in which the embryo is converted from a one-dimensional layer of epithelial cells to a multilayer, multidimensional structure called the gastrula.

Organogenesis is a process of embryonic development that occurs at the end of gastrulation and lasts until birth. During organogenesis, the three germ layers formed by gastrulation (ectoderm, endoderm, and mesoderm) form the internal organs.

Explanation: Hope this Helps!

8 0
3 years ago
What are the differences between aggregate fruit and multiple fruit ​
Dmitry_Shevchenko [17]

Answer:

Aggregate fruit is a fruit that develops from several ovaries forming one flower. An example of an aggregate fruit is a raspberry. Multiple fruit is fruit that develops from a cluster of flowers, and each flower produces a fruit, which turns into a mass of a singular fruit. An example of multiple fruit is a pineapple. Each "cube" of a pineapple is a separate fruit formed from a single flower, yet the pineapple as a whole is one mass of pineapple.

4 0
3 years ago
The ocean is maintaining a constant salinity because:
11Alexandr11 [23.1K]
In mid-ocean ridge areas, ocean water is cycled through the crust because of the high heat flow in the area. Water in the rock is heated over the magmas, rising up and drawing in cold water from the sides. This process is occurring all over the world, and is the primary means for maintaining ocean salinity in a relatively constant range over the long term, as elements in the sea water when it is heated react with the rocks. There is so much water flow, cumulatively over the entire world, that this process basically buffers ocean chemistry.

Obviously large increases or decreases in salinity can and do occur in isolated basins that do not have free exchange with the open oceans.
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3 years ago
In science why is it important to have more than one piece of evidence to support your claim?
My name is Ann [436]

Answer:

It is important to have more than one piece of evidence to make sure that the evidence is actually evidence. Or in other words, that the evidence is proven true. With only one piece of evidence, you can't be fully sure if calculations were correct, if the source was trustworthy, etc.

Multiple evidence is kinda like double checking math problems. If you don't do it, you can't be 100% certain the answer is correct.

5 0
3 years ago
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