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Stels [109]
2 years ago
11

Give three reasons why chordates are different from all other animals?​

Biology
1 answer:
SVEN [57.7K]2 years ago
4 0

Answer:

Has a Dorsal hallow nerve cord, a notochord pharyngeal pouches, and a tail that extends beyond the anus.  

Explanation:

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Please please help i will give brainalist and extra points
Llana [10]

Answer:

I'm pretty sure the answers for this is D, C, and B.

8 0
3 years ago
Which biome has multistory communities?
Alex Ar [27]

Answer:  B. Tropical rain forest

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Explanation: The climate and biodiversity of one of Earth's most diverse and iconic biomes. the tropical rain forest. The tropical rain forest biome has four main characteristics: very high annual rainfall, high average temperatures, nutrient-poor soil, and high levels of biodiversity

3 0
3 years ago
Are the offspring of parents who are both homozygous dominant for normal red blood cells in danger of getting sickle-cell anemia
Ksju [112]

Answer:

If both parents do not have sickle-cell anemia, than the possibility is low.

Explanation:

If both parents have the sickle-cell trait, their offspring has a 25 percent chance of getting sickle cell anemia and a 50 percent risk of them having sickle cell trait. Meanwhile, there is also a 25 percent chance of the child not getting it at all.

If one parent has sickle cell anemia and the other has sickle cell trait, then their offspring with have a 50 percent chance of getting sickle cell anemia and a 50 percent chance of getting a sickle cell trait.

When both parents have sickle cell anemia, their child will definitely have it.  

7 0
3 years ago
Read 2 more answers
1. Why are two thick cotton sheets warmer than one single blanket
mash [69]
Since the air is a great thermal isolator, the windows prevent heat exchange better than one made out of a single thick sheet of glass. The air between the thin blankets is not moving around and will form an isolating layer that acts exactly like another blanket, thus improving the thermal isolation
5 0
3 years ago
The investigations conducted by Edwin Chargaff support the idea that DNA is the source of heritable information, and they also s
siniylev [52]

all the thymine pairs with adenine, therefore there is the same number of adenine and thymine bases and the same percentage

so we have 28%thymine and 28% adenine

100-28-28=44% left

this 44% is guanine and cytosine. All of the guanine pairs with cytosine and all of the cytosine pairs with guanine so we have 44/2=22% cytosine and guanine

composition:

28%adenine

28%thymine

22%guanine

22%cytosine

7 0
2 years ago
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