The difference between a leaves on a pine tree and an apple tree

1 answer:

7 0

The pine tree has unprotected seeds; the apple tree has seeds in fruit. The pine tree is vascular; the apple tree is a seedless, nonvascular plant. The pine tree thrives in warm climates; the apple tree thrives in cold climates.

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Which factors are included in watershed conservation? Check all that app

fomenos

Answer:

A, B, D & E

Explanation:

Watershed conservation aims to protect wildlife in the watershed, restore vegetation, keep the watershed environment healthy, and in very dire cases may even have to relocate the watershed to a less polluted area

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3 years ago

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Identify each event as the result of mechanical weathering or chemical weathering.

kow [346]

<h3>The following events are identified as chemical weathering:</h3>

The minerals in a marble statue react with water to form acids and pores in the structure.
The rocks in a region are streaked orange after being exposed to repeated rains.

Reason:

When the weathering process occurs due to chemical reaction, then it is considered as chemical weathering.

In the first case, minerals of marble statue are reacting with water to cause weathering. In the second case, due to the acidificaion reaction, the change of the color has happened after exposure to the repeated rains.

<h3>The following events are identified as Mechanical weathering:</h3>

A piece of rock crumbles after being constantly thrashed by strong waves.

Industrial runoff forms cracks in a rocky structure in its path.

Reason:

When the rock is broken into simple pieces without any chemical reaction it is considered as mechanical weathering.

In the first cause, due to the abrasion caused by the strong waves, weathering has happened, in the second case industrial run off may be of varying temperature and thus may cause heating or cooling of the rock and causes weathering.

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3 years ago

Many organisms can reproduce asexually through mitosis, while other organisms reproduce sexually, and their cells carry out meio

Alexus [3.1K]

Meiosis would be most beneficial to a species in a situation where an organism falls prey to many efficient predators. Answer:a)Meiosis: numerous daughter cells produced would increase the species' population.
The species needs to evolve quickly, and the best way to do that is to shuffle existing mutations through sexual reproduction.

8 0

2 years ago

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20.

xxMikexx [17]

Answer:

Sugars and phosphates

Explanation:

DNA is deoxyribonucleic acid.

The backbone is based on a repeated pattern of a sugar group (deoxyribose) and a phosphate group.

The image below shows one straightened-out strand of DNA with a backbone of alternating sugars and phosphates.

A is wrong. There is no ribose in DNA.