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Marat540 [252]
3 years ago
13

Which animal has a single-loop circulation?

Biology
1 answer:
Lubov Fominskaja [6]3 years ago
8 0

Answer:

Fish

Explanation:

Fish are vertebrates and only have a single loop-circulation system.

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Put the items in the correct order. Below is a sequence of events. Place them in the order they should occur, number 1 being the
nikklg [1K]

<u>ANSWER:</u>

The correct order is-  Zygote, Blastula, Gastrula, Fetus.

<u>EXPLANATION:</u>

  • The embryo develops from the zygote which is formed when the gametes fuse in the process of "fertilization".
  • The zygote undergoes cell division to form blastula which is a "ball of cells".
  • Gastrula leads to the rearrangement of cells of the blastula into three layers that differentiate into different systems of organ.
  • The last stage is the fetus which then develops into a baby.
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3 years ago
Will Dallas Texas be warmer or cooler than Charleston South Carolina in the winter
ioda

I think dallas texas would be warmer.

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3 years ago
You may have heard through various media of an animal alleged to be the hybrid of a rabbit and a cat. Given that the cat (Felis
Katyanochek1 [597]

Answer:

The correct answer is - 2n = 41 chromosomes.

Explanation:

It is given that the cat has a diploid chromosome number of 38 while the rabbit has a diploid number of 44 chromosomes and if they form a hybrid then their expected chromosome number in somatic cells would be -

Cat (2n=38) produces haploid gametes with 19 chromosomes (n-19).

Rabbit (2n=44) produces haploid gametes with 22 chromosomes(n=22)

19+22= 41 chromosomes in the particular hybrid as half number of chromosomes come from each parent.

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3 years ago
Why is a fat-free diet dangerous? It can cause the body to break down muscle tissues. It can result in a deficiency of essential
Aleksandr-060686 [28]
A fat free diet is dangerous because IT CAN RESULT IN DEFICIENCY OF ESSENTIAL FATTY ACIDS. 
Essential fatty acids refers to those fatty acids that humans must eat in their foods because the body can not synthesize them and they are required for good health. There are three type of essential fatty acids, these are arachidonic, linoleic and linolenic acids. When these essential fatty acid are absent in one's diet they lead to ill health. 
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3 years ago
Read 2 more answers
Which of these organisms give birth to its young one alive? a. lizard b. man c. fish d. snake ​
jenyasd209 [6]

Answer:

b. man

Explanation:

lizards, fish, and snakes lay eggs while humans (and most mammals) give birth

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