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IRINA_888 [86]
3 years ago
6

Which of the following animals have skeletons without hard parts? A) ants B)dogs C)jellyfish d)owls

Biology
2 answers:
Grace [21]3 years ago
7 0

Answer:

Jellyfish is the answer.

Explanation:

maksim [4K]3 years ago
5 0

Answer:

I think it is Ants but I am not sure..

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Ralph has type B blood and his wife Rachel has type A blood. They are very shocked to hear that their baby has type O blood, and
Cerrena [4.2K]

Answer:

1. The parents genotypes could have been BO and AO

2. wire-hair

Explanation:

There are four possible blood types which are type A, B, AB, O. blood group is the classification of blood based on the presence or the absence of inherited antigenic substances on the surface of the red blood cells. They have hereditary basis and also rely on a series of alternative genes sometimes used in solving dispute of parental heritage. With the four possible blood groups, there are six possible genotypes and these are:

Blood type               possible genotypes

Type A                         AA, AO

Type B                         BB, BO

Type AB                           AB

Type O                              OO

Thus, for parents with blood type B and A to give birth to a child with blood type O, it means their genotype could have been both BO and AO  for them to be able to produce a child with OO. a cross between these two could give rise to OO.

Question 2

Wire hair is dominant (S) to smooth (s), thus wire hair could be in the homozygous (SS) and heterozygous form (Ss) and the smooth hair can only be expressed in the homozygous recessive form (ss).

thus, in a cross between homozygous wire haired and smooth haired, we will have:

homozygous wire haired            homozygous smooth haired

P gen              SS                x               ss

F1 gen.                                Ss

phenotype:                     wire haired

8 0
3 years ago
In which category would you place a protist that is a heterotrophic with a flagella?
leonid [27]

I believe flagellates would be classified as heterotrophic protists With flagella. It's an animal-like protist.

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3 years ago
In South Africa, it's usually quite warm around the time of the Northern Hemisphere winter solstice and quite cool around the ti
uranmaximum [27]

Answer: True

Explanation:

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What problems still exist in using natural regeneration?
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Natural regeneration of forests and woodlands is the process by which new trees grow from seeds that have fallen and germinate where they have fallen.  The biggest problem with natural regeneration is that is unpredictable.  As a result, it cannot be used for commercial farming. For most of the last two or three hundred years, forests and woodlands have restocked by using transplants grown in nurseries. The young trees are planted in equidistant rows. This allows each tree the best possible change of optimal growth. 
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3 years ago
Compare and contrast DNA and RNA.
Marrrta [24]

Answer:

Thus, the major difference between DNA and RNA is that DNA is double-stranded and RNA is single-stranded. DNA is responsible for genetic information transmission, whereas RNA transmits genetic codes that are necessary for protein creation.

<h2>good morning friend </h2>

7 0
3 years ago
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