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noname [10]
3 years ago
6

1. Single-celled organisms

Biology
1 answer:
Varvara68 [4.7K]3 years ago
5 0

Answer:

A is the correct answer

Explanation:

the existed about 3.8to 4.0 billion years ago

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9. Based on your findings in Steps 5-7, what is the relationship between
Soloha48 [4]

Hello. You forgot to add the diagram required to answer that question.

The diagram can be seen in the figure attached below.

Answer:

According to the diagram, James Carnegie and Czar Nicholas II are third cousins. On the other hand, Tsar Nicholas II was the great-uncle of Countess Xenia.

Explanation:

The figure below shows the genealogical diagram that allows us to see the degrees of relationship between the generations of a family.

At the beginning of the tree we can see at the beginning of the diagram that the marriage between Louise of Hess Castell and King Christian IX of Denmark generated daughters Alexandra and Maria.

Alexandra had a daughter named Louise and Maria had two children, Nicholas II and Princess Xenia.

With that, we can say that Louise was a first cousin of Nicholas II and Princess Xenia.

With that, we can say that Louise was a first cousin of Nicholas II and Princess Xenia.

Louise had a daughter named Maud (who is a second cousin of Nicholas II and Princess Xenia) and later had a son named James Carnegie, who was a third cousin of Nicholas II and Princess Xenia.

Pricess Xenia, Nicholas II's sister, had a daughter named Irina (who was Nicholas II's niece). Irina had another daughter, named Irina (who was the granddaughter of Princess Xenia, making Nicholas II her grandfather) who later had a daughter named Countess Xenia (who was the great-granddaughter of Princess Xenia, and therefore Nicholas II was her great-uncle) .

3 0
4 years ago
Hurry! Will mark brianlest if correct, worth 11 points! Which best explains the zygote?
Usimov [2.4K]

Answer:

The correct answer is A. It has a diploid number of chromosomes.

4 0
3 years ago
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Embryos of different species look very similar, which shows that the organisms share a BLANK ancestor.
Zarrin [17]

Answer:

Ancestor

Explanation:

8 0
3 years ago
What type of cells produce gametes,sperm, and egg cell
deff fn [24]

Answer:

They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome. These reproductive cells are produced through a type of cell division called meiosis.

Explanation:

8 0
3 years ago
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If a molecule is composed of several amino acids what kind of biomolecule is it
frez [133]

Answer: protein

Explanation: protein

Amino acids link together to form a protein. A nucleic acid is held together by the sugar-phosphate complex. A protein is held together by the carbon-carbon bonds. The diagram shows the basic structure of a biomolecule.

4 0
3 years ago
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