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3 years ago

The diagram below shows the stump of a tree whose root grew into a small crack in bedrock and split the rock apart.

Biology

1 answer:

Drupady [299]3 years ago

5 0

Answer:

Physical Weathering

Explanation:

As per the given conditions in the question, the primary effect is mechanical action which is also known as a physical weathering. During mechanical action, a rock is disintegrated into the smaller pieces. In the given statement, the root of tree would grow in the crack and try to develop a strong network to get nutrients necessary for tha tree growth. Thus, the root would exert a pressure in the crack to make more space for its growth and development (root network). This is primarily a mechanical action and an example of physical weathering.

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Think about the variety of biomes on Earth and differences in their weather patterns. Which statement describes a difference bet

Gekata [30.6K]

The correct answer is - A) Swamps tend to be humid while deserts tend to be dry.

The swamps are places that are dominated by shallow, murky waters. The precipitation at these places is relatively high, and the climate tends to be pretty stable throughout the year, being relatively warm. Because of the precipitation, the water surface, and the temperatures, the swamps tend to be very humid places.

The deserts are the total opposite. They are dry all year round, with maybe one or two days in the year where precipitation will occur, though occasionally that may be once every several years. Depending on the type of desert, the climate is either very hot all year and very dry, or very hot in the summer and very cold in the winter and dry.

3 0

3 years ago

Read 2 more answers

Which cell wall is the furthest form the plasma membrane in plants

Igoryamba

Answer:

Below

Explanation:

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CBSE

Biology

Grade 11

Cell wall

Answer

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Outermost layer of the cell wall is

(A)Plasmalemma

(B)Secondary wall

(C)Middle lamella

(D)Primary wall

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Hint: The wall which is present at the outermost of the cell wall acts as a glue between the different cells. . The secondary wall is not present in every cell, it is present in few cells that alter the growth of the primary wall.

Complete answer:

A cell wall is an outer structural layer present in only some types of cells, just outside the cell membrane. It is usually tough, flexible, and sometimes rigid. The cell wall is mostly composed of two layers and sometimes three layers too. The layers of the Cell wall are as follows-

- The primary cell wall is generally a flexible thin, and an extensible layer formed while the cell is growing i.e not fully developed. It is usually made up of cellulose and it is often permeable too.

-The middle lamella, a layer rich in pectins. It is the outermost layer that forms the interface between adjacent plant cells and glues them together.

-The secondary cell wall, if present, is a thick layer formed inside the primary cell wall after the cell is mature. it's not found in all cell types.

Additional Information: The cell wall is majorly composed of the cellulose microfibrils that are linked via hemicellulosic tethers to form the cellulose-hemicellulose network, which is embedded in the pectin matrix. The most common hemicellulose present in the primary cell wall is xyloglucan.

The outer part of the primary cell wall of the plant epidermis is mostly covered with the cutin and wax, forming a permeability barrier known as the plant cuticle.

Secondary cell walls contain a wide range of additional compounds that helps to enhance and modify their mechanical properties and permeability. The major polymers that make up wood (largely secondary cell walls) include cellulose, 35-50% .xylan, 20-35%, a type of hemicellulose, and lignin, 10-25%.

8 0

2 years ago

What happens to the oxygen released during photosynthesis ?

Ilia_Sergeevich [38]

Answer:

oxygen is released as a byproduct.

Explanation:

it breaks down glucose, releasing chemical energy and heat in the process of photosynthesis.

7 0

3 years ago

Class is super boring i hope ypu guys underjdnsjauerfmneqmksjfjke90oifjfdbdusjfcdfvg fff

rusak2 [61]