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Ne4ueva [31]
3 years ago
11

Which statement(s) are true about metamorphosis: multiple choice.

Biology
1 answer:
masha68 [24]3 years ago
4 0
The answer would be the first and second choice because metamorphosis is a very complicated process
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The protest that is present in toothpaste belongs to the phylum Chrysophytes species Diatoms. It has a flexible cell membrane which is made of silica. This will help them keep their cells shape, provides protection and helps keep water in its body.

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If sunlight begins to warm a frozen lake, the atoms in the lake’s frozen water will begin to move faster. True False
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This statement is true, because the warmer the temperature, the faster the atoms move in a liquid
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Did unicellular or multicellular life appear first ?
Fiesta28 [93]

Answer:

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Explanation:

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8 0
2 years ago
In a certain plant, tall stems (t) are dominant to short stems (t). a farmer crosses a short-stemmed plant with a heterozygous l
melisa1 [442]

The answers would be:

Genotype                Phenotype

     Tt                      Tall stemmed

     tt                       Short stemmed

Genotypic ratio : 2:2 or 1:1

Phenotypic ratio: 2:2  or 1:1  

<u />

<u>You can read on to see how this was done:</u>

Tall stems (T) are dominant to short stems (t).

First figure out the genotypes of the parents. We have a short-stemmed plant and a heterozygous long-stemmed plant cross.

For short stem to occur, you need 2 pairs of short alleles. So the first parent would have a genotype of tt.

Heterozygous long-stemmed means that the parent has one of each allele. So the genotype of the second parent would be, Tt.

Now we can make our Punnett Square.

tt x Tt

<u>       t        t  </u>

<u>T |  Tt  |   Tt</u>

<u>t  |   tt  |   tt</u>

Let's list down the genotypes and phenotypic results.

Genotype        no.         Phenotype

     Tt                 2           Tall stemmed

     tt                  2           Short stemmed

So from that we can answer the other questions:

Genotypic ratio : 2:2 or 1:1

Phenotypic ratio: 2:2  or 1:1  

8 0
3 years ago
Modern fishing practices threaten biodiversity mainly through the_______. A. chemical poisoning of the water B. accidental captu
aalyn [17]
For this item, I would go with letter "D. physical destruction of marine habitats". Many of the modern ways of fishing poses an irreversible destruction to marine habitats. These practices include trawling, lining methods, purse seining, etc. 
5 0
3 years ago
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