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neonofarm [45]
3 years ago
12

What is the name of the organ that lines part of the wall of the uterus and nourishes the embryo with substances from the mother

s blood?
Biology
1 answer:
lana [24]3 years ago
5 0
This organ is called a placenta.
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Answer:

The first multicellular organisms occurred from symbiosis (cooperation) of different species of single-cell organisms, each with different roles. Over time these organisms would become so dependent on each other they would not be able to survive independently, eventually leading to the incorporation of their genomes into one multicellular organism.

Explanation:

Multicellularity has evolved independently at least 46 times in eukaryotes,[5][6] and also in some prokaryotes, like cyanobacteria, myxobacteria, actinomycetes, Magnetoglobus multicellularis or Methanosarcina. However, complex multicellular organisms evolved only in six eukaryotic groups: animals, fungi, brown algae, red algae, green algae, and land plants.[7] It evolved repeatedly for Chloroplastida (green algae and land plants).

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4 years ago
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10

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The first law is "Obeyed".

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