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Olegator [25]
3 years ago
6

What carries deoxygenated blood towards the heart?

Biology
1 answer:
tamaranim1 [39]3 years ago
6 0
Veins carry deoxygenated blood from the body to the heart so it can be sent to the lungs, pulmonary veins takes oxygenated blood from the lungs to the heart.
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Genetic continuity is maintained through asexual reproduction because
MArishka [77]

Answer:

Option. C.

Explanation:

Asexual reproduction can be defined as a type of reproduction, in which offspring are developed from a single parent and fusion of gametes does not take place.

As it involves only one parent that contributes to the all of the genetic material of offspring, the offspring are genetically or physically similar to their parents.

Thus, the correct answer is option) C.

7 0
4 years ago
Which types of renewable energy could / should we use more? Why?
bekas [8.4K]
We should use wind and solar energy more because those are the two main renewable energy sources, the sun shines a lot so we can use the power from that to power are houses, but at night that would be a problem, so at night you could use water as a renewable energy to power your house at night so you can get light, wind would be good if you live in a windy place like Cheyenne WY.  
6 0
3 years ago
Read 2 more answers
​the production of sterile mules by interbreeding between female horses (mares) and male donkeys (jacks) is an example of
insens350 [35]

Answer:

reduced hybrid fertility

Explanation

The formation of mules  from the cross between female horses (mares) and male donkeys (jacks) is an example of reduced fertility because the mules are sterile and they cannot give birth to babies.

Reason:

Because mule cannot produce sperms. This has to do with his genetics. A mule has 63 chromosomes in total. He gets 32 chromosomes from his mom (that is a horse) and 31 chromosomes from his Dad (that is a donkey). As we know, it is very important for reproduction that chromosomes hould be present in two sets with equal numbers.

To reproduce he needs equal number of chromosomes because we know during meiosis chromosomes segregate and half number goes in daughter cells. But in case of mules he has an extra chromosome due to which he cannot undergo correct meiosis and produce sperms. That is ahy he stays sterile throughout his life. This is called reduced hybrid fertility

Hope it helps!

6 0
3 years ago
(50 points and brainliest)
Semenov [28]

Answer:

commensalism

Explanation:

i only say this because according to google it means

it is an association between two organisms in which one benefits and the other derives neither benefit nor harm.

Hope this was right

~lil Boom

3 0
3 years ago
When is it more appropriate to use presumptive tests in a crime investigation? When is it more appropriate to use confirmatory t
k0ka [10]

Answer:Phenolphthalein is a presumptive test that reacts with the heme molecule present in blood. A positive reaction gives a pink color. While bloodstains normally appear red-brown in color, the color of the substrate or the age of a stain may affect the appearance or visibility of the stain.

Explanation:

7 0
3 years ago
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