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o-na [289]
3 years ago
14

Nane 2 theories of how the solar was formed.​

Biology
2 answers:
Helga [31]3 years ago
8 0

Answer:

The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across. Several stars, including the Sun, formed within the collapsing cloud.

Explanation:

alukav5142 [94]3 years ago
6 0

Answer:

The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across.

Explanation:

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Which of the following consist of prokaryotic cells?
Ad libitum [116K]

The correct answer is D. Bacteria and archaea

Explanation:

In biology, cells can be mainly classified into prokaryotic and eukaryotic. The prokaryotic cells are cells with no nucleus or centrioles but they do have a cell wall, usually one chromosome and complex cilia and flagella. On the other hand, prokaryotic cells have a defined nucleus, multiple chromosomes, and centrioles and some have a cell wall. Due to the differences between these two type of cells they are part of different organisms, in the case of eukaryotic cells, these are part of the complex organism that includes animals, plants, and fungi while prokaryotic cells are those found in bacteria and archaea which are organisms with only one cell. Considering this, the ones that consist of prokaryotic cells are bacteria and archaea.

7 0
3 years ago
You are writing a science report and want to find accurate trustworthy information. Which would be the best resource?
Oduvanchick [21]
A encyclopedia a magnize article the science clubs website a newspaper
5 0
3 years ago
How did early life help create the ozone layer?
Semmy [17]

Answer:The Ozone Hole. One billion years ago, early aquatic organisms called blue-green algae began using energy from the Sun to split molecules of H2O and CO2 and recombine them into organic compounds and molecular oxygen (O2). ... As oxygen in the atmosphere increased, CO2 decreased.

3 0
3 years ago
Which of the following does NOT contribute to genetic variation among plants?
egoroff_w [7]

Answer:

The correct answer will be option-A.

Explanation:

Genetic variation is the difference in the DNA sequences of individuals in a population. Genetic recombination is the main reason for the diversity of organism on earth.

The genetic variation takes place during gamete formation by recombination of DNA sequences which takes place during prophase of meiosis I.

Since genetic variation involves changes in the coding segments of the DNA called genes which leads to mutations, therefore, flowering time does not influence the genetic variation and option-A is the correct answer

6 0
4 years ago
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Travka [436]

The given question is incomplete as tiles are not given, however, the complete question is as follows:

Match the description of each organism to the appropriate category. Not all numbered options will be used. (Please match 1 number to 1 letter).

1. lives within an algae and produces sugars for the algae

2. lives in a marsh environment and aids in biodegradation

3. lives on rocks and produces it’s own food from inorganic materials

4. lives within the blood of another organism and causes disease

5. lives around the roots of a tree and provides nutrients to the tree

A. parasitic fungus

B. mutualistic fungus

C. saprophytic fungus

Answer:

The correct answer is -

A) Parasitic fungus-  4

B)  Mutualistic fungus - 5

C) Saprophytic fungus- 2

Explanation:

Fungi are organisms that are characterized by an organism that is microscopic, heterotrophic, and grows as long threads-like structures known as hyphae. These organisms can be divided into-

The parasitic fungi - a group of fungi that lives and depends on the host while harming theirs.

The mutualistic fungi - the group of fungi that lives mutually and obtains nutrients and provides benefit to the host.

The saprophytic fungi - fungi group that lives on the dead organic matter and decomposes it known as saprophytic fungi.

3 0
3 years ago
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