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ladessa [460]
3 years ago
11

_____ is the measurement of the density of a substance as compared to water.

Biology
2 answers:
denpristay [2]3 years ago
8 0
D. Specific gravity
tester [92]3 years ago
7 0

Answer: Option (D) is the correct answer.

Explanation:

When density of a substance is measured with respect to the density of a standard substance which is usually water then the ratio is known as specific gravity.

Whereas density is defined as the mass of a substance present in per unit volume.

Mathematically,        Density = \frac{mass}{volume}

For example, specific gravity of water is 1 and a substance that has specific gravity less than specific gravity of water will float otherwise it will sink.

So, specific gravity of mercury is 13.6. Hence, it will sink in water.

Thus, we can conclude that specific gravity is the measurement of the density of a substance as compared to water.

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Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. the p
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Answer is hypertonic.

The ability of an extracellular solution to make water move into or out of a cell by osmosis is known as its tonicity. Tonicity is concern for all living things, especially in in organisms lacking cell wall, <em>Paramecium</em> is one such protozoan. It has specialized structures called contractile vacuoles. A contractile vacuole collects excess water from the cell and release it out, keeping the cell from lysing as it takes on water from extracellular environment which hypotonic (a lower osmolarity than the cell’s cytoplasm) as compared to hypertonic environment inside <em>Paramecium</em>.

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3 years ago
A branching diagram uses shared characteristics to classify organisms.On a branching diagram that compares the major kingdoms of
lapo4ka [179]

Animalia is the label that appears to differentiate animals from organisms on other kingdom.

Explanation:

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The kingdom protista represents the organisms that are simple structured and they swim through the water and obtain nutrients from the environment.

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In the plantae kingdom the organisms are plants and they are autotrophs. They prepare their own food.

In Animalia kingdom the organisms are animals and they are multicellular heterotrophs. They do not have cell walls and the reproduction is done sexually and some can reproduce asexual.

4 0
3 years ago
What is the niche of slime molds and other decomposers?
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They break down the organic matter that has died so that the nutrients stored with in it can be reused.
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3 years ago
Which of the following statements best supports the claim that organisms share fundamental processes as a result of evolution? (
podryga [215]

Answer:

C

Explanation:

All living organisms' cell are composed of genetic material in form of DNA. The DNA encodes the information needed for the production of useful products (proteins). The way in which the information is encoded is called the GENETIC CODE. It consists of all the triplet nucleotides in DNA or RNA that encodes an amino acid.

This genetic code is universal i.e. the same genetic code is employed by virtually all living organisms, as a codon does not encode another amino acid in another organism. It is universal that AUG specifies Methionine in all living organisms. This shows that all organism share a common evolutionary history.

Hence, it is possible for an organism to express a gene from another organism since the same genetic code will be used to read the information in the gene.

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Pandemics occur over a wide geographic region, potentially affecting a large population.
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