3 years ago

Can natural selection occur? Why/why not?

Biology

1 answer:

Phoenix [80]3 years ago

7 0

Answer:

The reason why it occurs is when the organism doesn't have the desirable traits it needs to survive.

Explanation:

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The endangered species act aims to help protect species that ________. are in danger of extinction dominate suitable habitats co

valkas [14]

The answer would be Are in danger

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4 years ago

Tay-Sachs disease is a neurological disorder in which a defective enzyme prohibits the hydrolysis of phospholipids called gangli

olga_2 [115]

Answer:

The correct answer is lysosomes

Explanation:

Tay-Sachs disease is a genetic metabolic disorder in which a lipid called GM2 ganglioside builds in the brain which results in spasticity and death in childhood.

This disease is also known as lysosomal storage disease. Lysosomes are the major organelle that contains enzymes to breakdown molecules. In Tay-Sachs disease deficiency of hexosaminidase A occurs in lysosomes and this enzyme is needed to breakdown fats.

So due to this deficiency, it results in the accumulation of fats in the brain and spinal cord causing Tay-Sachs disease.

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3 years ago

What type of margin does an apple plant leaf have?

SOVA2 [1]

Answer:

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Explanation:

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3 years ago

Draw a nonsubstituted alkane that can exist as one of only two isomers.

natta225 [31]

An example of <span>nonsubstituted alkane that can exist as one of only two isomers is Butane with molecular formula </span> $C_{4} H_{10}$ <span>.</span>

Isomers are those having the same molecular formula but different chemical structure.

Non-substituted alkane means it is not substituted by any other atom.It has only carbon and hydrogen atoms attached to it.

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3 years ago

Permafrost presently occurs in regions of eurasia and north america even where glaciers are not currently found

mezya [45]

The answer to the statement above is TRUE. Recently, Permafrost has been seen in the regions of Eurasia and North America even though glaciers are not even common in this area. Normally, permafrosts are found in the polar regions. These are made up of frozen thick subsurface layer of soil that has remained untouched for years.

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3 years ago