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Grace [21]
3 years ago
11

What are physical quantities? Give any two example.​

Biology
1 answer:
Pavel [41]3 years ago
5 0
those quantities which can be measured directly or indirectly is called physical quantities.
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Plants and animals that live in estuaries face a dilemma in maintaining water balance inside their cells. During high tide they
mote1985 [20]

Answer:

The correct answer is - a hypotonic solution as it can pass the cell wall and cell membrane into the cell.

Explanation:

The plant cell has a rigid cell wall that provides support to the plant cell that is not the case in the animals as they lack the cell wall. The low tidewater is an example of the hypotonic solution as it has fewer solutes than the plant cells or animal cells.

When a plant cell is in freshwater it takes up the water with the help of osmosis and begins to swell but the cell wall does not let it burst and become turgid.

Thus, the correct answer is - a hypotonic solution as it can pass the cell wall and cell membrane into the cell.

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3 years ago
Name 2 factors that determine how cold, warm, wet or dry the earth becomes
OLEGan [10]

Latitude or distance

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What happens when living things get in the dirt?
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Human exploitation of fragile ecosystems can lead to the droughts and arid conditions characteristic of desertification. Effects include land degradation, soil erosion and sterility, and a loss of biodiversity, with huge economic costs for nations where deserts are growing.
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Why is the nucleus important in living cells
vova2212 [387]
The nucleus tells the cell what to do, and also contains chromosomes, which has the cell's genetic material.
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Over a period of two generations, the frequency of green dung beetles in a population shifts from 75% to 71% while the frequency
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This is an example of microevolution.

Microevolution
represents a small change in the genetic structure of the population. These changes manifest through the change in the allele frequencies of genes like in the case of dung beetles.
The causes of microevolution are evolutionary mechanisms, natural selection, genetic drift, mutations and gene flow.
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