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Molodets [167]
3 years ago
12

Question 7: What might be some implications of Robert Hazen’s experiments

Biology
1 answer:
Angelina_Jolie [31]3 years ago
6 0

Answer:

Robert Hazen’s studied enviromental and biological processes that might have been critical for life, and also for the formation of approximately two-thirds of Earth's mineral species (see Hazen et al., 2008; Gonzalez & Richards 2020) .

Explanation:

Hazen provided evidence about how first organic molecules were generated on the primitive earth millions of years ago. He observed that high-pressure hydrothermal vents may provide food for underwater ecosystems. It represents a piece of critical evidence on the origin of life.

You can read these articles that are certainly clarifying in the description of his experiments and discoveries:

1- Hazen, R. M., Papineau, D., Bleeker, W., Downs, R. T., Ferry, J. M., McCoy, T. J., ... & Yang, H. (2008). Mineral evolution. American Mineralogist, 93(11-12), 1693-1720.

2- Gonzalez, G., & Richards, J. W. (2020). The privileged planet: how our place in the cosmos is designed for discovery. Gateway Editions.

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Put the following terms in the order they would occur in the angiosperm life cycle. The first one is done.
olga nikolaevna [1]

Answer: Angiosperms are the plants which produce flowers for sexual reproduction.

Explanation:

In the angiosperm life cycle the following events occur:

1. Seed germination: Under suitable condition inside the soil obtain water, oxygen and minerals the seed germinates and from the two precursors plumule from where the stem emerge and radicle  from where the root emerges.

2. Mature plant with flower: The plant gets matured with the develop of root and shoot and from the shoot the bud originates which produces the flower.

3. Pollination: During the process of pollination a mature pollen grain is transferred towards the female reproductive structure typically the stigma receives the pollen grain.

3. Fertilization of pollen with egg in ovary: The pollen is the male gametophyte which develops in the anthers which are the male reproductive structure of the flower and the egg or ovule is the female gamete which develops inside the ovary or female gametophyte. The fusion of male gametes provided by the pollen grain with that of the ovule is called as fertilization.

4. Formation of fruit with seed: After the fertilization process the ovules develop into seed and the ovary into fruit.

5. Seed dispersal: The fruit gets detached from the plant and it may get rotten and dried the dried seeds disperse and may germinate in favorable conditions.

4 0
3 years ago
What is the role of photosynthesis in the flow on energy throughout an ecosystem?
Anna11 [10]

Answer:

I do believe this is how plants and other organisms uses sunlight to use it as food

Explanation:

hope this helps

3 0
4 years ago
(03.02 MC)What factor will most likely determine where a wave current project can be located?
Andrews [41]

Answer: Presence of a tidal range

Explanation:

8 0
4 years ago
What are internal and external regulators? lipids carbohydrates proteins.
harkovskaia [24]
These substances are proteins, they regulate what is able to enter or leave the cell.
6 0
3 years ago
How did griffin help build our understanding of genetics
spin [16.1K]

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How did griffin help build our understanding of genetics?

\huge \bold \green{answer}

He showed that cells contain a transforming factor. They have different genes. Two brothers inherit different sets of alleles from their parents.

4 0
3 years ago
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